birds lay eggs, while mammels are born alive.
The main difference is that a hornbill is a bird, while a rabbit is a mammal.
Thenoticeabledifference is that bird erythrocytes have organelles and a nuclei, which most mammals erythrocytes don't have.
they have diff. no. of chambered heart
a bird has feathes and a beak and a mammal gives milk to its birth
One is mammal, one is a bird, birds lay eggs.
There isn't a mammal-bird.
No. Whether it is tropical or not, no bird is a mammal.
There is no such thing. No bird is or ever was a mammal.
No. A budgerigar (budgie) or parakeet is a bird, not a mammal.
mammal
A mammal.
There is no such thing as a dinosaur that flys. The difference between a pteradoctyl and a bird is: Birds have feathers and pteradoctyl's don't. The difference between a oviraptor and a bird is: Oviraptor have hands and birds have wings.