Modern birds are the living relatives of dinosaurs. Take a look at the features of flightless birds like chickens and ...

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 ...

Turtles are classified as amniotes, along with other reptiles (including birds) and mammals. Like other amniotes, turtles breathe air and do not lay eggs underwater, although many species live in ...

Early birds were also better able to survive the cold conditions after the asteroid strike than many reptiles. This is because like mammals, birds are also warm-blooded, meaning they can regulate ...

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 ...