Have you ever looked into the mirror and wondered just how deeply your roots stretch back in the tree of life? It might ...

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 ...

Amphibians and reptiles play important roles in the ecosystems where they live. Some serve as predators that keep their prey's numbers in check, like snakes that eat mice and other rodents. Other ...

These are mammals, birds, fish, reptiles and amphibians. However, this knowledge, long enshrined in textbooks, does not seem to be true, and birds and reptiles are so similar that it is almost ...

The LPI, which measures trends in thousands of populations of mammals, birds, reptiles, amphibians and fish across the globe shows a decline of 58 per cent between 1970 and 2012. If current trends ...

Only a handful of mammals can regrow teeth multiple times, compared to the 50,000 species of reptiles and fish. Take geckos, for example, who will replace all 100 teeth, or so, every 3 to 4 months.

Our feline friends are killing billions of birds ... small mammals, and hundreds of millions of reptiles and amphibians. Several years ago, a team of Smithsonian Institution and U.S. Fish and ...

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 ...

Answer: Birds do not have the sex organs common to mammals. Instead, both male and female birds have what’s known as a cloaca ...

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 ...

One million species globally are at risk of extinction in the next few decades, including 27 percent of the world’s mammals, 41 percent of amphibians, 37 percent of sharks and rays, and 21 percent of ...

The order Cetacea includes marine mammals, such as whales, dolphins, and porpoises. Fossil evidence suggests that the cetaceans share a common ancestor with land-dwelling mammals that began living ...