the birds evolved along side the dinosaurs
robin to an emu in size
Along side the large therpod there are a number of smaller bird tracks
Lime Creek at a Mine site blown up and never recovered
Dr. McCrae did a write up on a Large tridactyl track. The track was 86 mm
Photo: Footprints of large Cretaceous ornithopods: Iguanodontipus sp. from Bückeburg Formation (Berriasian-Valanginian) of the Münchehagen Dinopark, Germany (A); Caririchnium leonardii Lockley, 1987 from Dakota Group (Albian-Cenomanian) of Dinosaur Ridge, Colorado (B); Amblydactylus kortmeyeri Currie & Sarjeant, 1979, PMA P76.11.11, from Gething Formation (Aptian) of Peace River Canyon, Canada (C); Hadrosauropodus longstoni, TMP 87.76.6, from St. Mary River Formation (Maastrichtian) of St. Mary River Valley, Canada (D).