ducks are not mamals beacause they lay eggs
Yes, they are worm blooded and feed on milk.
yes sirree bob, pretty much all mammmals have gallbladders.
A Beaver is a vertebrate and a mammal.
vertebrate.
It is a vertebrate. It has a spine.
vertebrate.
Vertebrate
vertebrate
Vertebrate
Vertebrate :)
vertebrate, they are birds through much discovery, they are vertebrate.