A camera trap meant to record chimpanzees makes a chance discovery.
On a day set aside to appreciate rest, we gather some of nature's most able sleepers.
With the Washington, D.C. area getting its first snowfall, the Smithsonian Zoo had to shut down, giving the animals their own private play day.
Veteran photojournalist captures the fierce hunters in a quiet moment that harkens back to a bygone era for the big cats.
Rejected by their mother, these two three-week-old cubs will melt your heart.
An Old English Sheepdog steps in to raise a lion cub abandoned by both its parents.
It's been a busy time of late for some zoos, as some precious newborns grab the spotlight.
You might be surprised by which speedster is in the number one spot.
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