birb Flashcards
1
Q
what are some characteristics of birds
A
feathers
flight, hollow bones
amniotic egg
pully divided heart
ectothermic
crazy optimised lungs
2
Q
what are some skeletal differences between modern birds and dinobirds
A
larger braincase
bones fused
enlarged sternum
stronger ribs
3
Q
what are some major bird groups and species within them
A
paleognatha - radtites
neognathe - perching birds (50%)
