A mystery lizard hints at progress for the San Antonio Zoo’s “lizard factory,” where researchers rebuild the Texas horned lizard population.

Q. You reply to a lot of biology questions, sometimes citing scientific publications that have the answer. Have you run across any animal mysteries that do not have a surefire explanation?

From seasonal shifts to breeding displays, these birds use colour transformation as a powerful tool for survival.

Some venomous animals kill within minutes, and a few of the most dangerous ones are small enough to hide in a shoe or look ...

A solar plant was built near a hare habitat, but the animals liked it so much that more now live inside than outside. Researchers figured out why.

The western gray fox is third on the list for frequent visitors to a small waterhole in the forest of Palomar Mountain.

Southern Oregon is full of surprises, and Great Cats World Park might be the biggest one of all. Tucked away in Cave Junction ...

When most people think of impressive animals, they usually imagine large mammals, like giant elephants, massive whales, or ...

Thousands of baby deer are being born across West Virginia as peak fawning season arrives. Wildlife experts explain why there ...

The peacock katydid looks like a dead leaf at rest and can transform into a what looks like a huge bird when it unfurls its ...

Discover remarkable animals that change their coat or feathers to white during winter, helping them blend into snowy landscapes and avoid predators.

There are a few more important features that can help an organism hide from predators, attract prey, or simply avoid other ...