No Dinosaurs, like other reptiles and birds, mostly laid eggs. They did not apparently nurse their young as mammals do.

Subjects>Animals & Plants>Dinosaurs

Is dinosaur a mammal

Anonymous

∙ 14y ago

Updated: 11/17/2022

No. In fact, dinosaurs are the ancestors of birds. Mammals separated from reptiles (a large group that still included what would become dinosaurs) about 300 million years ago, and birds evolved during the Jurassic period about 150 million years ago.

Wiki User

∙ 14y ago

What else can I help you with?

Which mammal the African elephant or dinosaur is bigger?

A dinosaur is not a mammal. And some dinosaurs were bigger and some smaller.

Was dinosaur a mammal?

No, they were reptiles.

The first dinosaur was about the size of what mammal?

The first dinosaur was about the size of a horse.

Is rhinoceros a dinosaur?

No, the rhinoceros is a mammal.

What holds the record for the largest mammal?

The Dinosaur.

Are elephants in the dinosaur family?

No, an elephant is in the mammal family.

Is the stegosaurus a mammal?

Yes. The distinguishing features of a mammal are warm blood and suckling their young, both of which the rhinoceros has.

Was glyptodon a dinosaur?

No it was a mammal that is related to the modern armadillos. It is now extinct.

Is the big blue whale a dinosaur?

No the blue whale is an aquatic mammal

What was a tyrannsaurus a mammal or a reptile?

It was a huge dinosaur - the fore-runner of reptiles.

Why did scientists compare dinosaur and mammal bone cells?

Dinosaurs were endotherms

What was the largest animal to roam?

I think it's a dinosaur.