Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

That may come as no surprise, given that birds are dinosaurs. But in terms of classification, this raises a question: Since dinosaurs are reptiles, does that mean that birds are reptiles ...

Mammals and birds have dramatically more neurons in their forebrain and cerebellum than reptiles, and neuron numbers have scaled up significantly only four times in more than 300 million years of ...

Their metabolism depends on the temperature of their environment. Unlike birds and mammals, reptiles do not maintain a constant internal body temperature. Without fur or feathers for insulation ...

(Yes, even dolphins.) But in the churn of natural selection, some mammals ended up with appendages that look like they should be found on a reptile, bird, or insect. That’s convergent evolution ...

The Galapagos Rail had not been seen on this island since Charles Darwin's visit to the archipelago in 1835, until now.

Two studies published in the latest issue of Science have revealed that birds, reptiles, and mammals have developed complex brain circuits independently, despite sharing a common ancestor.

A collection of KS1 Science videos showing some interesting facts about birds, reptiles and mammals. These clips can be used in the classroom to explore how these animals live, hunt and adapt in ...

We preselected all newsletters you had before unsubscribing.