Learn about animals, including the latest animal news, advancements in animal health research and animal photos.
This gorgeous songbird is a resident of the western side of North America.
A study finds that chimpanzees raised as pets or performers exhibit behavioral and social deficiencies, even after years of living among other chimps.
Watch Sasha and Shimba, two 8-month-old white lion cubs, as they run, tumble and play. [Video]
The Rhinorex condrupus was about 30 feet long and weighed more than 8,500 lbs. in its prime 75 million years ago.
It's easy to mistake this insect for a thorn, leaf or even another insect. Hop into the fantastical world of treehoppers.
Videos of artistic elephants keep popping up on the Internet, but is there more to this than meets the eye?
Learn about the 5 species of rhinoceros, all of which are dealing with major conservation threats.
These little guys had to get their priorities straight, and that meant minimizing their feet.
Can you tell the difference between a cat and dog print, or a raccoon versus a rabbit? Test your tracking knowledge with this quiz!
Aggression is a small part of chimps' lives, but it can provide evolutionary insight into human violence.
What makes owl vision so special? Well for starters, they don't actually have eye balls.
Scientists aren't yet sure what the changes would mean for sharks in the wild, and they only have a few generations to wait and find out.
Australia and New Zealand are leading efforts to enforce an earlier court ruling that found Japan's whaling program to be more commercial than scientific.
Oceanic Preservation Society will project images of climate change and threatened species on the iconic building ahead of this weekend's Climate March.
The calves of the smallest species of reindeer on earth grow at a speedy clip, gaining 15-18 pounds a month during their first summer!
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.