So some birds are zygodactyl in tarsal orientation. Is that strictly a derived trait within Aves or is there evidence of zygodactyl non-avian dinosaurs?
Maastricht is in the NETHERLANDS, not in "Holland" , Holland is in the west of the Netherlands, Maastricht is in LIMBURG province, please get your information right...
WAIR "Climbing with style"
CFD "Falling with style"
So some birds are zygodactyl in tarsal orientation. Is that strictly a derived trait within Aves or is there evidence of zygodactyl non-avian dinosaurs?
At present, there is no evidence of zygodactyly in any non-avian dinosaur.
The only sea going dinosaur ☝️ that we know of. 🤷 You got to leave it open for discovery 👌
Maastricht is in the NETHERLANDS, not in "Holland" , Holland is in the west of the Netherlands, Maastricht is in LIMBURG province, please get your information right...