"I would say that any modern biologist would, or should, say that birds are reptiles," Martin Stervander, an evolutionary ...

We learned at school that there are five different classes of animals. These are mammals, birds, fish, reptiles and amphibians. However, this knowledge, long enshrined in textbooks, does not seem to ...

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 ...

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 ...

MADDIE: That is a gorgeous bird! Now let’s find out more about reptiles.Reptiles are a group of animals with scaly skin. Unlike us mammals, reptiles are cold-blooded, which means they don’t ...

The animal lacks all scales ... "The anatomical placode in reptile scale morphogenesis indicates shared ancestry among skin appendages in amniotes." ...

Unlike mammals, birds lay eggs and initial stages of development occur outside the mother’s ... Placenta is not unique to mammals. Certain fish and reptiles have placenta-like connections allowing ...