| Ankylosaur — Armoured Plant-Eating Dinosaur |
Sunday, 12 October 2025
ANKYLOSAURS: ARMOURED, PLANT-EATING DINOSAURS
Friday, 10 October 2025
GOLDEN TREASURES OF THE FOREST: CHANTERELLES
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| Chanterelle Mushrooms |
These fragrant fungi—Cantharellus cibarius and its Pacific cousin Cantharellus formosus—are some of the most beloved wild mushrooms in the world, prized for their apricot aroma, delicate texture, and buttery, nutty flavour.
Here on Vancouver Island, particularly in the mossy forests around Cowichan Lake, and along the slopes of Mount Prevost, Chanterelles thrive in symbiotic partnership with the island’s towering Douglas fir, hemlock, and western red cedar.
Step into the forest after autumn rains, and you’ll find them nestled among sword ferns, huckleberry, and the deep green duff of centuries-old woodland.
Their curved, ruffled caps and forked gills make them easy to spot once your eyes adjust to their warm, golden hue against the cool greens and browns of the forest floor.
Chanterelles are a modern forager’s delight but harken back to an ancient lineage with roots deep in fungal evolution. Fossil evidence of their broader group, the Basidiomycota, dates back at least 90 million years to the Cretaceous Period, when dinosaurs still roamed.
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| Chanterelle Mushrooms |
Their ancestors were likely forming underground alliances with early flowering plants, exchanging nutrients in the soil long before humans walked the Earth.
Today, these same networks still hum beneath our feet in the Cowichan Valley, binding trees together in a web of life. So the next time you’re out after the rains on Vancouver Island, follow your nose—when you catch that sweet, fruity scent drifting through the forest air, you might just be standing above a patch of ancient gold.
Chanterelles are one of the few mushrooms that resist insect damage thanks to natural compounds they produce—so your forest find is often as pristine as it looks!
Foraging Tips: Respect the Forest and Your Find
If you’re venturing out to collect Chanterelles, tread lightly—these mushrooms are slow to grow and play a vital role in the forest ecosystem.Only harvest what you can use, cutting the stem rather than pulling from the ground to protect the delicate mycelium underground.
Watch out for lookalikes, such as the False Chanterelle (Hygrophoropsis aurantiaca), which has deeper orange tones and true gills rather than the forked ridges of a real Chanterelle.
With a keen eye, a respectful approach, and a sense of adventure, you can enjoy these golden treasures while keeping the forest thriving for years to come.
Thursday, 9 October 2025
NUNAVUT: LAND OF ICE AND SNOW
A lone polar bear moves with quiet power across the snow and sea ice of Nunavut, its massive paws spreading its weight to keep it light atop the frozen surface.
These apex predators have roamed the Arctic for hundreds of thousands of years, evolving from brown bear ancestors to master the shifting icescapes of the Pleistocene.
Their range once spread wider during colder glacial ages, but Nunavut remains a stronghold of their territory, a place where bears still hunt seals, den in snowdrifts, and continue an ancient lineage intertwined with the rhythms of ice, ocean, and sky.
Nunavut, Canada’s northernmost territory, is a land that wears deep time on its sleeve. Its stark landscapes—wind-scoured ridges, icy fjords, and tundra plains—may appear empty at first glance, but beneath this silence lies one of Earth’s richest archives of geological and paleontological history.Stretching across nearly two million square kilometers of Arctic terrain, Nunavut preserves rocks that span more than three billion years, recording the birth of continents, the rise of early life, and the survival of animals through ancient seas and ice ages.
Nunavut’s remarkable geology and paleontology, from the planet’s earliest beginnings to Ice Age megafauna, tracing how this northern land has shaped and preserved Earth’s story.Nunavut’s rocks are among the oldest on Earth. Much of its bedrock belongs to the Canadian Shield, a vast geological core of North America composed of Archean and Proterozoic rocks more than 2.5 to 3.9 billion years old.
In regions such as the Acasta Gneiss Complex, which straddles the Northwest Territories and Nunavut, scientists have found rocks dated to around 4.0 billion years—nearly as old as the Earth itself.
These rocks tell the story of Earth’s early crustal formation, long before the emergence of complex life. They preserve the remnants of volcanic arcs, ancient oceans, and the slow suturing of microcontinents into larger continental plates.
The geology of Nunavut is not uniform but instead a patchwork quilt of greenstone belts, granitic intrusions, and sedimentary basins, each marking different chapters in the planet’s tectonic evolution.
During the Paleozoic Era (541–252 million years ago), much of Nunavut lay beneath shallow tropical seas. Thick accumulations of limestone and shale from this time preserve fossils that record the explosion of marine biodiversity—from trilobites and brachiopods to early corals and cephalopods. Later, in the Mesozoic and Cenozoic Eras, tectonic shifts, rifting, and glaciation sculpted the modern Arctic landscape.
Glacial scouring during the Pleistocene left behind U-shaped valleys, moraines, and eskers, reshaping the terrain and influencing how fossils are exposed today.
Cambrian Seas and the Rise of Early Life — Some of Nunavut’s most important paleontological treasures come from the Cambrian Period (541–485 million years ago). At sites such as Northwest Ellesmere Island, researchers have uncovered trilobites, archaeocyathids (reef-building sponges), and early echinoderms that once thrived in warm equatorial seas. These fossils highlight Nunavut’s role in documenting the Cambrian Explosion, the evolutionary burst when most major animal groups first appeared in the fossil record.
Devonian Coral Reefs — During the Devonian Period (419–359 million years ago), the region hosted extensive reef systems, comparable to modern-day Great Barrier Reef environments. Fossil corals, stromatoporoids (sponge-like reef builders), and early fishes—including the armored placoderms—have been found in the limestone deposits of Nunavut’s Arctic islands. These fossils provide insights into marine biodiversity during the so-called “Age of Fishes,” when vertebrates began diversifying rapidly.
Qikiqtania, a remarkable fossil fish discovered on southern Ellesmere Island in Nunavut, closely related to Tiktaalik, the famous “fishapod” that represents a key step in the transition from water to land is one of Nunavut's most significant Devonian fossils. Dating to about 375 million years ago in the Late Devonian, Qikiqtania wakei had a streamlined body and fins built for swimming, but unlike Tiktaalik, it lacked the robust limb bones that could have supported it on land.
This begs the question of what those early vertebrates were up to and it seems their evolutionary path was experimenting with shallow-water or terrestrial habitats, while Qikiqtania remained fully aquatic, showing the diversity of evolutionary pathways at this pivotal moment in vertebrate history. Its name honors both the Qikiqtaaluk Region of Nunavut, where it was found, and the late evolutionary biologist David Wake, linking local geography with global science.
Jurassic and Cretaceous Dinosaurs of the Arctic — One of the most striking aspects of Nunavut’s fossil record is the presence of dinosaurs at high latitudes. On Bylot Island and Axel Heiberg Island, paleontologists have discovered hadrosaur (duck-billed dinosaur) remains dating to the Late Cretaceous, about 75 million years ago. These finds demonstrate that large herbivorous dinosaurs lived well within the Arctic Circle, enduring months of seasonal darkness and cooler climates than their relatives farther south.
Tracks preserved in sandstone also reveal the presence of theropods (predatory dinosaurs) that stalked these northern landscapes. The question of how dinosaurs adapted to Arctic conditions—whether through migration or physiological adaptations such as warm-bloodedness—remains an active field of study.
Fossil Forests of the High Arctic — Perhaps Nunavut’s most evocative paleontological record comes not from bones but from trees. On Axel Heiberg Island, paleontologists have uncovered the remains of Eocene-aged fossil forests dating to about 50 million years ago. These forests, preserved in remarkable detail, include upright stumps, leaf litter, and even mummified wood that still retains organic compounds.
At that time, the Arctic was much warmer, with a greenhouse climate that supported redwoods, dawn sequoias, and ginkgo trees. The fossil forests demonstrate that the Arctic once hosted lush ecosystems, challenging our assumptions about polar environments and providing crucial analogues for studying climate change today.
Marine Reptiles and Ancient Whales — The Cretaceous and early Cenozoic deposits of Nunavut also preserve marine reptiles such as plesiosaurs and mosasaurs, apex predators of the inland seas. Moving into the Cenozoic, fossils of early whales, including basilosaurids, have been recovered, highlighting the transition of mammals from land back to the ocean. These finds place Nunavut within the global story of marine evolution during a time when the Arctic Ocean was ice-free and biologically rich.
Fast forward to the Pleistocene (2.6 million–11,700 years ago), and Nunavut was home to a range of Ice Age megafauna. Fossils and subfossil remains of muskoxen, mammoths, caribou, and giant beavers have been found across the territory. These animals grazed tundra and steppe ecosystems during glacial cycles, coexisting with early human populations that migrated into the Arctic.
Human History and Fossil Knowledge — Nunavut’s paleontological heritage is intertwined with Indigenous knowledge. Inuit communities have long encountered fossils while traveling across the land, recognizing bones and shells as part of the natural history of their environment. Some fossils, like petrified wood or unusual stone shapes, carry cultural meanings and have been used in tools, carvings, or storytelling.
Nunavut’s population are Inuit, whose traditional language is Inuktut, which includes several dialects such as Inuktitut and Inuinnaqtun, still widely spoken across communities alongside English and French. Inuit knowledge of the land, sea, ice, and animals is profound, extending to fossils and unusual stones encountered on the tundra, which are often recognized and woven into oral traditions.
Visitors interested in seeing fossils and learning more about Nunavut’s natural and cultural history can explore the Nunatta Sunakkutaangit Museum in Iqaluit, which preserves Inuit art and heritage alongside natural history exhibits, or the Canadian Museum of Nature in Ottawa, which holds important fossil collections from Nunavut that are not always displayed locally due to preservation and accessibility challenges.
A wave of scientific exploration of Nunavut’s fossils began in earnest in the 19th and 20th centuries with expeditions by geologists and paleontologists. Today, fossil research in Nunavut requires collaboration with Inuit communities, recognizing their stewardship of the land and the cultural importance of these discoveries.
Climate Change and the Future of Arctic Paleontology — As the Arctic warms, melting permafrost and retreating glaciers are exposing fossils at an unprecedented rate. While this accelerates discoveries—such as well-preserved Ice Age bones—it also threatens the long-term preservation of delicate specimens. Increased accessibility has also raised ethical and legal questions about fossil collection, ownership, and conservation.
Nunavut stands at the forefront of these challenges. Its fossils not only record the history of life but also offer lessons for the present: how species adapt (or fail to adapt) to climate shifts, how ecosystems respond to warming, and how biodiversity rebounds after mass extinctions. Protecting this paleontological heritage is essential for both science and culture. It is a remote part of the world that I would love to explore more of and see its rugged, natural beauty in all its splendor.
Wednesday, 8 October 2025
ROCK TO MUSEUM: THE JOURNEY OF A FOSSIL
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| Prepping with an Air Scribe |
Tuesday, 7 October 2025
DINOSAUR EGGS: FRAGILE LINKS TO DINOSAUR REPRODUCTION
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| Hadrosaur Eggs |
I have found many fossil feathers (another personal fav) but have yet to find dino eggs or any egg for that matter. While my track record here is beyond sparse, dinosaur eggs have been found on nearly every continent, from the deserts of Mongolia to the floodplains of Montana and the nesting grounds of Patagonia.
The discovery of dinosaur eggs offers one of the most intimate glimpses into the life history of these long-extinct animals. Unlike bones or teeth, eggs preserve direct evidence of reproduction, nesting strategies, and even embryonic development.
Over the last century, paleontologists and citizen scientists have uncovered thousands of fossilized eggs and eggshell fragments across the globe, revealing that dinosaurs laid their clutches in diverse environments ranging from deserts to floodplains.
Early Discoveries — The first scientifically recognized dinosaur eggs were discovered in the 1920s by the American Museum of Natural History’s Central Asiatic Expeditions to Mongolia’s Gobi Desert.
Led by Roy Chapman Andrews, these expeditions unearthed clutches of round, fossilized eggs in the Djadokhta Formation. Initially misattributed to Protoceratops, later discoveries showed they belonged to the bird-like and immensely cool theropod Oviraptor. This corrected attribution changed the understanding of dinosaur nesting, particularly with the revelation of adults preserved brooding on nests.
Asia: The Richest Record — Asia remains the richest continent for dinosaur eggs.
Mongolia: The Gobi Desert has yielded numerous oviraptorid and hadrosaurid eggs, often preserved in nesting sites.
China: The Henan and Guangdong Provinces have produced abundant eggs, including complete clutches of hadrosaurs, theropods, and titanosaurs. Some sites, such as the Xixia Basin, contain thousands of eggshell fragments, telling us that these were long-term nesting grounds. Embryos preserved within eggs, like those of Beibeilong sinensis, provide rare developmental insights.
India: Extensive titanosaur nests from the Lameta Formation demonstrate colonial nesting behavior and some of the largest known egg accumulations.
North America has also yielded important dinosaur egg sites. Montana: The Two Medicine Formation preserves fossilized nests of hadrosaurids like Maiasaura peeblesorum, discovered by Jack Horner in the late 1970s. These finds gave rise to the concept of “good mother lizard,” as evidence suggested parental care and extended nesting.
Utah and Colorado: Eggshell fragments and isolated eggs of sauropods and theropods have been reported, though less commonly than in Asia.
South America: Sauropod Hatcheries — Argentina is home to some of the most significant sauropod nesting sites. In Patagonia, the Auca Mahuevo locality preserves thousands of titanosaur eggs, many with fossilized embryos inside. This site demonstrates large-scale nesting colonies and offers clues to sauropod reproductive strategies, including shallow burial of eggs in soft sediment.
Europe: A Widespread Record — Europe has produced diverse dinosaur egg finds, particularly in France, Spain, and Portugal. In southern France, sauropod egg sites such as those in the Provence region reveal clutches laid in sandy floodplains. Spain’s Tremp Formation contains both hadrosaurid and sauropod eggs, some associated with trackways, linking nesting and movement behavior.
Africa: Expanding the Map — Egg discoveries in Africa are less common but significant. In Morocco and Madagascar, titanosaur eggs have been recovered, suggesting a widespread distribution of sauropod nesting across Gondwana.
Dinosaur eggs fossilize under specific conditions. Burial by sediment soon after laying, mineral-rich groundwater for permineralization, and relative protection from erosion. Eggshell microstructure, pore density, and arrangement allow paleontologists to infer incubation strategies, from buried clutches similar to modern crocodilians to open nests akin to modern birds.
These fossils are remarkable for their beauty and rarity but also for the wealth of biological information they provide. These elusive fossils help us to understand dinosaur reproduction, nesting behaviour, and evolutionary ties to modern birds. I will continue my hunt and post pics to share with all of you if the Paleo Gods smile on me!
Monday, 6 October 2025
GULLS ON THE FORESHORE: T'SIKWI
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| A gull cries in protest at not getting his share of a meal |
Sunday, 5 October 2025
THE SPIRIT BEARS OF CANADA'S WEST COAST
- Spring: young vegetation, grasses, sedges, and roots.
- Summer: berries (salmonberries, huckleberries, blueberries), insects, and carrion.
- Autumn: spawning Pacific salmon (Oncorhynchus spp.), which form the most critical food source for building fat reserves before winter denning. Salmon runs sustain the bears and also fertilize the forest. Bears often carry fish into the understory, leaving behind nutrients that enrich soil and feed trees, mosses, and invertebrates—a classic example of nutrient cycling.
- Princess Royal Island – the largest concentration of spirit bears.
- Gribbell Island – often called the “mother island” of the white bear.
- Kitasoo/Xai’xais territory near Klemtu – guided spirit bear tours led by Indigenous stewards.
Saturday, 4 October 2025
SPINOSAURUS: BIGGER THAN T-REX. APEX. ALIEN
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| Spinosaurus the Spine Lizard of the Cretaceous |
Friday, 3 October 2025
HAWAI'I: ISLANDS BORN OF FIRE
A vast blue desert stretching farther than the eye could see. But beneath that endless water, far below the waves, the Earth was stirring.
Deep inside our planet lies a restless heart, a molten engine. It churns and pulses, and sometimes, it leaks upward through the skin of the world.
In one special place beneath the Pacific Plate, a hot spot—a plume of heat rising from the mantle—began to melt rock, making it buoyant and eager to break free.
Imagine molten stone, glowing red-orange, pushing upward for thousands of years until—at last—it broke through the ocean floor. The sea hissed and boiled as lava met saltwater. Bit by bit, eruption after eruption, a new land began to rise from the deep. That was the beginning of the Hawai'ian Islands.
But here’s the magic, Hawai'i is not a single island, but a story told in chapters, one after another, spread across millions of years. The Pacific Plate is always moving—slowly, but steadily, like a great raft drifting northwest. The hot spot itself doesn’t move. It’s fixed, like a candle’s flame. So as the plate slides across it, new islands are born in sequence, while the old ones drift away, cooling, eroding, and eventually sinking back beneath the waves.
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| Aerial View of Kaua'i |
Kaua‘i, the eldest, is weathered and softened, its sharp volcanic ridges worn into velvet valleys. I've shared an aerial view here of Kaua'i showing its lush covering of forests and dramatic slopes.
O‘ahu, Maui, Moloka‘i—all follow, each younger, each shaped by fire and rain.
And finally, the youngest, Hawai‘i Island—often called the Big Island—still burns with creation. Its great volcanoes, Mauna Loa and Kīlauea, continue to pour molten rock into the sea, adding new land even as we speak.
If you were to trace this island chain beneath the waves, you’d find it stretching far, far beyond the horizon. More than 130 undersea volcanoes, some worn down to nothing but lonely seamounts, extend in a long arc that reaches all the way to the Aleutians near Alaska. Together, they form the Hawai'ian–Emperor Seamount Chain—a testament to 80 million years of volcanic storytelling.
But Hawai'i is not just fire—it is also shaped by water and wind. Once the lava cools, the islands begin a second life. Rain falls, carving valleys and canyons. Trade winds sculpt cliffs and carry seeds. Plants take root in the fresh, black soil, and birds bring new life in their feathers. Over time, forests rise where once there was only ash. Coral reefs grow along the shores, ringing the islands in color and light.
Imagine lying back now on a beach of fine sand, still warm from the day’s sun. Behind you, the green slopes of ancient volcanoes rise, and before you, the sea glitters in moonlight.The air smells of salt and flowers, plumeria drifting on the breeze. The very ground beneath you is alive with the heartbeat of the Earth, still creating, still dreaming.
And just like all stories, Hawai'i’s will continue to unfold. South of the Big Island, deep under the ocean, another volcano is already forming. Its name is Lō‘ihi.
One day, perhaps tens of thousands of years from now, it will breach the surface, joining the island chain. Children not yet born will stand on its shores, and perhaps they will listen to stories of how their land came to be—just as you are imagining it now. I know that two of my dear nieces, M & M, are doing just that and I think of them and the beautiful shores they call home.
Thursday, 2 October 2025
WEST COAST WOLVES: ATLA'NAMUX
But their story begins long before that, deep in the fossil record, when canids first began to evolve. The ancestors of today’s wolves can be traced back more than 30 million years to the early canids of the Oligocene.
One of the earliest known members of the dog family is Hesperocyon, a small, fox-like carnivore that lived in what is now North America.
Over millions of years, these early canids diversified into various forms, including the dire wolf (Aenocyon dirus) and the gray wolf (Canis lupus), which appeared around 1 to 2 million years ago.
The gray wolf evolved in Eurasia and migrated into North America via the Bering land bridge during the Pleistocene. Once here, it quickly became a dominant predator across the continent, adapting to a wide range of environments—from the Arctic tundra to the deserts of Mexico.
Today, Canis lupus is still widely distributed across North America, although its range has contracted significantly due to human expansion, habitat loss, and historical persecution. Wolves are found in:
- Alaska – home to the largest populations in North America.
- The Rocky Mountains – including parts of Montana, Idaho, and Wyoming.
- The Western Great Lakes – especially Minnesota and Wisconsin.
- Canada – particularly British Columbia, Alberta, and the boreal forests of the northern provinces.
- Vancouver Island – which hosts a distinct coastal population.
- The Pacific Coast – small populations in Washington and Oregon are making a comeback.
Wolves are apex predators and essential for maintaining healthy ecosystems. They primarily prey on large ungulates such as deer, moose, elk, and caribou.
In coastal regions, particularly on British Columbia’s Central Coast and Vancouver Island, wolves have adapted their diets to include salmon, intertidal invertebrates, and even seals.I have seen them eat their way along the tide line, scavenging whatever the sea has washed up for their breakfasts.
These wolves have been observed swimming between islands in search of food, a behavior rarely seen in inland populations.
If you explore the coast by boat, kayak or other means, you can see their footprints in the sand, telling you that you are not alone as you explore the rugged coast. The best time to try to catch a glimpse of these elusive beauties is early morning, though I did take a late afternoon nap one fine day on the warm sand of Vargus Island and woke to wolf tracks all around me.
Wolves help control herbivore populations, which in turn benefits vegetation and can even influence river systems, as famously demonstrated in Yellowstone National Park after wolves were reintroduced in 1995.
Wolves on Vancouver Island
Vancouver Island is home to a small but resilient population of coastal wolves, often referred to as coastal sea wolves. These wolves are genetically and behaviorally distinct from their inland counterparts. While exact numbers fluctuate, current estimates suggest approximately 350 wolves live on Vancouver Island.
They are elusive and tend to avoid human interaction, making them difficult to study and count accurately. Much of what we know comes from the work of wildlife researchers and photographers such as Ian McAllister, whose documentation of coastal wolf behavior has been instrumental in raising awareness.
If you are looking to see more of these coastal predators, search out the work of photographers like Liron Gertsman, Ian Harland, and Sandy Sharkey, who have captured stunning images and footage of these elusive creatures in their natural habitat, along our beaches and old-growth forests.
Despite their adaptability, wolves face a number of threats:
- Habitat Loss and Human Encroachment: As logging and development continue to fragment wild areas on Vancouver Island, wolves are pushed into closer proximity with humans, increasing the likelihood of conflict.
- Hunting and Trapping: Wolves are not protected under the Wildlife Act in much of British Columbia and can be hunted or trapped in many areas. Although controversial, some view wolf control as a means to support ungulate populations for hunting.
- Poisoning and Culling: In parts of Canada, wolves have been poisoned or culled in misguided efforts to protect caribou herds, despite ecological evidence showing that habitat preservation is more critical to caribou survival.
- Decline in Prey: As deer populations fluctuate due to climate change, human hunting pressure, and habitat alteration, wolves may face food scarcity.
- Public Misunderstanding: Myths and negative stereotypes about wolves still persist, sometimes fueling unnecessary fear and policy decisions not based on science.
- Wolves have been on this land longer than humans. Their long evolutionary journey has shaped them into highly specialized, intelligent animals with complex social structures. But their survival now depends on us.
On Vancouver Island and across the continent, conservation efforts, education, and science-based wildlife management are essential to ensuring wolves continue to howl in the wild for generations to come.
Vancouver Island local, Gary Allan, who runs the SWELL Wolf Education Centre in Nanaimo and is known for his extensive work in wolf advocacy and education is a good resource of up-to-date information on our coastal wolves.
He has been educating the public about wolves since 2006, both through the Tundra Speaks Society and the education centre. Allan's work involves interacting with wolves, including his wolf-dog Tundra, and sharing his knowledge with schools, community groups, and First Nations organizations.
Have you seen one of our coastal wolves up close and in person? It is a rare treat and for me, generally on an early morning walk. I hope we keep the balance so that the wolves live in peace and continue to thrive.
Further Reading and Resources
McAllister, Ian. The Last Wild Wolves: Ghosts of the Rain Forest. Greystone Books, 2007.
Mech, L. David, and Boitani, Luigi (eds.). Wolves: Behavior, Ecology, and Conservation. University of Chicago Press, 2003.
Fossil Canids Database – University of California Museum of Paleontology
Raincoast Conservation Foundation – https://www.raincoast.org
Wednesday, 1 October 2025
GRACEFUL, GLIMMERING ACROBATS OF THE SKIES: DRAGONFLIES
- Anisoptera – what we now call true dragonflies
- Zygoptera – damselflies, their more delicate cousins
- Germany’s Solnhofen Limestone (Late Jurassic) with its remarkable preservation
- China’s Liaoning Province (Early Cretaceous)
- Montana and Colorado, USA (Late Cretaceous to Paleogene)
Tuesday, 30 September 2025
TRICERATOPS: HORNED GIANT OF THE LATE CRETACEOUS
The air hums with insects, dragonflies dart over shallow pools, and cicada-like calls echo through the dense stands of magnolias and cycads.
A herd of Triceratops horridus moves slowly across the open landscape, their massive, parrot-like beaks tearing into low-growing ferns and palm fronds. Each step sinks slightly into the damp soil, leaving broad three-toed tracks.
The ground vibrates with the low, resonant bellows they use to keep in contact with one another, a chorus of sound that carries across the plain.
You might catch glimpses of other giants sharing the same world. Herds of hadrosaurs—Edmontosaurus—graze nearby, their duck-billed snouts sweeping back and forth through the vegetation like living lawnmowers.
Overhead, toothed seabirds wheel and cry, their calls mixing with the shrieks of distant pterosaurs. And lurking at the edges of the scene, half-hidden among the trees, the apex predator Tyrannosaurus rex waits, its presence felt more than seen, a reminder that this landscape is ruled by both plant-eaters and their formidable hunters.
Triceratops was one of the last and largest ceratopsians, measuring up to 9 meters (30 feet) long and weighing as much as 12 metric tons. Its most iconic features were the three horns—two long brow horns above the eyes and a shorter horn on the nose—backed by a broad bony frill. These structures were likely used for defense against predators like T. rex, but also for display within their own species, signaling dominance, maturity, or readiness to mate.
Its beak and shearing dental batteries made Triceratops a highly efficient plant-eater. Unlike many earlier ceratopsians, it possessed hundreds of teeth stacked in dental batteries, capable of slicing through tough, fibrous plants like cycads and palms that flourished in the Late Cretaceous.
Triceratops lived at the very end of the Cretaceous, in what is now western North America, within the region known as Laramidia, a long island continent separated from eastern North America by the Western Interior Seaway.
Alongside Triceratops, this ecosystem hosted a staggering diversity of dinosaurs, including ankylosaurs (like Ankylosaurus magniventris), duck-billed hadrosaurs, pachycephalosaurs, and smaller predators like Dakotaraptor. Crocodilians, turtles, and mammals also thrived in the wetlands and forests.
Fossil evidence suggests that Triceratops may have lived in herds, though adults are often found alone, hinting at possible solitary behavior outside of mating or nesting seasons. Juveniles, on the other hand, may have grouped together for protection.
Triceratops was among the very last non-avian dinosaurs before the mass extinction event at the Cretaceous–Paleogene (K–Pg) boundary, 66 million years ago. Their fossils are found in the uppermost layers of the Hell Creek Formation, placing them just before the asteroid impact that ended the Mesozoic. Triceratops mark the end of an era, as it were, representing both the culmination of ceratopsian evolution and the twilight of the age of dinosaurs.
Today, Triceratops remains one of the most recognizable dinosaurs in the world and a personal fav—its horns and frill embodying the strange beauty and raw power of prehistoric life. Standing face-to-face with a Triceratops skeleton in a museum is awe-inspiring, but to truly imagine them alive, you must step back into their world: warm floodplains, buzzing insects, herds of plant-eaters, and the constant tension of predators in the shadows.
Monday, 29 September 2025
MARINE PREDATOR OF THE DEEP: BLUE LIAS ICHTHYOSAUR
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| Ichthyosaur Vertebrae found by Lewis Winchester-Ellis |
The find includes stomach contents which tell us a little about how this particular fellow liked to dine.
As with most of his brethren, he enjoyed fish and cephalopods. Lewis found fishbone and squid tentacle hooklets in his belly.
Ichthyosaurus was an extinct marine reptile first described from fossil fragments found in 1699 in Wales. Shortly thereafter, fossil vertebrae were published in 1708 from the Lower Jurassic and the first member of the order Ichthyosauria to be discovered.
To give that a bit of historical significance, this was the age of James Stuart, Jacobite hopeful to the British throne. While scientific journals of the day were publishing the first vertebrae ichthyosaur finds, he was avoiding the French fleet in the Firth of Forth off Scotland. This wasn’t Bonnie Prince Charlie, this was his Dad. Yes, that far back.
The first complete skeleton was discovered in the early 19th century by Mary Anning and her brother Joseph along the Dorset Jurassic Coast. Joseph had mistakenly, but quite reasonably, taken the find for an ancient crocodile. Mary excavated the specimen a year later and it was this and others that she found that would supply the research base others would soon publish on.
Mary's find was described by a British surgeon, Sir Everard Home, an elected Fellow of the Royal Society, in 1814. The specimen is now on display at the Natural History Museum in London bearing the name Temnodontosaurus platyodon, or “cutting-tooth lizard.”
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| Ichthyosaurus communis |
Rev. William Buckland would go on to describe two small ichthyosaurs from the Lias of Lyme Regis, Ichthyosaurus communis and Ichthyosaurus intermedius, in 1837.
Remarkable, you'll recall that he was a theologian, geologist, palaeontologist AND Dean of Westminster.
The Age of Dinosaurs and Era of the Mighty Marine Reptile had begun.
Ichthyosaurs have been collected in the Blue Lias near Lyme Regis and the Black Ven Marls. More recently, specimens have been collected from the higher succession near Seatown. Paddy Howe, Lyme Regis Museum geologist, found a rather nice Ichthyosaurus breviceps skull a few years back. A landslip in 2008 unveiled some ribs poking out of the Church cliffs and a bit of digging revealed the ninth fossil skull ever found of a breviceps, with teeth and paddles to boot.
Specimens have since been found in Europe in Belgium, England, Germany, Switzerland and in Indonesia. Many tremendously well-preserved specimens come from the limestone quarries in Holzmaden, southern Germany.
Ichthyosaurs ranged from quite small, just a foot or two, to well over twenty-six metres in length and resembled both modern fish and dolphins.
Dean Lomax and Sven Sachs, both active (and delightful) vertebrate paleontologists, have described a colossal beast, Shonisaurus sikanniensis from the Upper Triassic (Norian) Pardonet Formation of northeastern British Columbia, Canada, measuring 3-3.5 meters in length. The specimen is now on display in the Royal Tyrrell Museum of Palaeontology in Alberta, Canada. It was this discovery that tipped the balance in the vote, making it British Columbia's Official Fossil. Ichthyosaurs have been found at other sites in British Columbia, on Vancouver Island and the Queen Charlotte Islands (Haida Gwaii) but Shoni tipped the ballot.
The first specimens of Shonisaurus were found in the 1990s by Peter Langham at Doniford Bay on the Somerset coast of England.
Dr. Betsy Nicholls, Rolex Laureate Vertebrate Palaeontologist from the Royal Tyrrell Museum, excavated the type specimen of Shonisaurus sikanniensis over three field sessions in one of the most ambitious fossil excavations ever ventured. Her efforts from 1999 through 2001, both in the field and lobbying back at home, paid off. Betsy published on this new species in 2004, the culmination of her life’s work and her last paper as we lost her to cancer in autumn of that year.
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| Roy Chapman Andrews, AMNH 1928 Expedition to the Gobi Desert |
We've found at least 37 specimens of Shonisaurus in Triassic outcrops of the Luning Formation in the Shoshone Mountains of Nevada, USA. The finds go back to the 1920s. The specimens that may it to publication were collected by M. Wheat and C. L. Camp in the 1950s. The aptly named Shonisaurus popularis became the Nevada State Fossil in 1984. Our Shoni got around. Isolated remains have been found in a section of sandstone in Belluno, in the Eastern Dolomites, Veneto region of northeastern Italy. The specimens were published by Vecchia et al. in 2002.
For a time, Shonisaurus was the largest ichthyosaurus known.
Move over, Shoni, as a new marine reptile find competes with the Green Anaconda (Eunectes murinus) and the Blue Whale (Balaenoptera musculus) for size at a whopping twenty-six (26) metres.
The find is the prize of fossil collector turned co-author, Paul de la Salle, who (you guessed it) found it in the lower part of the intertidal area that outcrops strata from the latest Triassic Westbury Mudstone Formation of Lilstock on the Somerset coast. He contacted Dean Lomax and Judy Massare who became co-authors on the paper.
The find and conclusions from their paper put "dinosaur" bones from the historic Westbury Mudstone Formation of Aust Cliff, Gloucestershire, UK site into full reinterpretation.
And remember that ichthyosaur the good Reverend Buckland described back in 1837, the Ichthyosaurus communis? Dean Lomax was the first to describe a wee baby. A wee baby ichthyosaur! Awe. I know, right? He and paleontologist Nigel Larkin published this adorable first in the journal of Historical Biology in 2017.
They had teamed up previously on another first back in 2014 when they completed the reconstruction of an entire large marine reptile skull and mandible in 3-D, then graciously making it available to fellow researchers and the public.
Another superb 3-D ichthyosaur skull was found near Lyme Regis by fossil hunter-turned-entrepreneur-local David Sole and prepped by the late David Costain. I'm rather hoping it went into a museum collection as it would be wonderful to see the specimen studied, imaged, scanned and 3-D printed for all to share. Here's hoping.
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| Ichthyosaurus somersetensis Credit: Dean R Lomax |
Their paper in the ACTA Palaeontologica Polonica from 2017, describes the third embryo known for Ichthyosaurus and the first to be positively identified to species level. The specimen was collected from Lower Jurassic strata (lower Hettangian, Blue Lias Formation) of Doniford Bay, Somerset, UK and is housed in the collection of the Niedersächsisches Landesmuseum (Lower Saxony State Museum) in Hannover, Germany.
We have learned a lot about them in the time we've been studying them. We now have thousands of specimens, some whole, some as bits and pieces. Many specimens that have been collected are only just now being studied and the tools we are using to study them are getting better and better.
Link to Lomax Paper: https://journals.plos.org/plosone/article…
Link to Nathan's Paper: https://www.tandfonline.com/…/10.1080/03115518.2018.1523462…
Nicholls Paper: E. L. Nicholls and M. Manabe. 2004. Giant ichthyosaurs of the Triassic - a new species of Shonisaurus from the Pardonet Formation (Norian: Late Triassic) of British Columbia. Journal of Vertebrate Paleontology 24(4):838-849 [M. Carrano/H. Street]
Sunday, 28 September 2025
STEGOSAURUS: PLATED GIANT OF THE JURASSIC
Fossils of Stegosaurus have been found primarily in the Morrison Formation, a magnificent rock unit famous for preserving one of the most diverse dinosaur ecosystems ever discovered.
Stegosaurus could reach up to 9 meters (30 feet) in length but had a disproportionately small head with a brain roughly the size of a walnut.
Despite this, it thrived as a low-browser, feeding on ferns, cycads, and other ground-level plants using its beak-like mouth and peg-shaped teeth. Its most iconic features were the dermal plates, some nearly a meter tall, running down its back. Their function remains debated—some have proposed they were used for display, species recognition, or thermoregulation.
At the end of its tail, Stegosaurus bore four long spikes, known as the thagomizer.Stegosaurus did not live in isolation. It shared its world with a cast of iconic dinosaurs and other ancient animals:
- Sauropods such as Apatosaurus, Diplodocus, and Brachiosaurus dominated the floodplains, their long necks sweeping across the tree canopy.
- Predators like Allosaurus and Ceratosaurus stalked the ecosystem, preying on herbivores. The spikes of Stegosaurus would have been a key defense against these hunters.
- Ornithopods, including Camptosaurus and Dryosaurus, grazed alongside Stegosaurus, representing smaller, quicker plant-eaters.
- Early mammals, small and shrew-like, scurried through the underbrush, while flying pterosaurs soared overhead.
- Freshwater systems hosted fish, turtles, and crocodile relatives, rounding out the ecosystem.
Interesting Facts
- The brain-to-body ratio of Stegosaurus is one of the smallest of any dinosaur, fueling the myth that it had a “second brain” in its hips—an idea no longer supported by science.
- Tracks attributed to stegosaurs suggest they may have moved in small groups, possibly for protection.
- Despite its fearsome appearance, Stegosaurus was strictly an herbivore. Its teeth were too weak to chew tough vegetation, meaning it likely swallowed food in large chunks.
- And, being one of my best loved dinosaurs, I chose Stegosaurus as one of my logos for the Fossil Huntress. This gentle giant is one of my all time favourites!


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