Cute Zoo Animals

A Kihansi Spray Toad at the Bronx Zoo in New York. (Photo credit: DON EMMERT/AFP/Getty Images)

Cute Zoo Animals

A brown bear at the Bronx Zoo in New York. (Photo credit: DON EMMERT/AFP/Getty Images)

Cute Zoo Animals

An Asian elephant at the National Zoo in Washington, DC. (Photo credit: ROBYN BECK/AFP/Getty Images)

Cute Zoo Animals

Lemurs at the San Francisco Zoo. (Photo by Justin Sullivan/Getty Images)

Cute Zoo Animals

A koala at the Los Angeles Zoo in Los Angeles. (Photo credit: ROBYN BECK/AFP/Getty Images)

Cute Zoo Animals

A cheetah from the San Diego Zoo at a San Diego Padres game. (Photo by Denis Poroy/Getty Images)

Cute Zoo Animals

A keel billed toucan at the Smithsonian's National Zoo in Washington,DC. (Photo credit: MANON RAT-FEREL/AFP/Getty Images)

Cute Zoo Animals

An Asian Small-clawed otter at the Smithsonian National Zoo in Washington,DC. (Photo credit: Marie BLANQUART/AFP/Getty Images)

Cute Zoo Animals

A Giant Panda at the Smithsonian Institution's National Zoo in Washington, DC.(Photo credit: KAREN BLEIER/AFP/Getty Images)

Cute Zoo Animals

Three lion cubs at the National Zoo in Washington, DC. (Photo credit: NICHOLAS KAMM/AFP/Getty Images)

Cute Zoo Animals

A young lion cub at the Smithsonian Institution's National Zoo in Washington, DC. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Cute Zoo Animals

A baby lowland gorilla at the Smithsonian Institution's National Zoo in Washington, DC. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Cute Zoo Animals

A baby Masai Giraffe at the Los Angeles Zoo. (Photo credit: MARK RALSTON/AFP/Getty Images)

Cute Zoo Animals

A polar bear at Brookfield Zoo in Brookfield, Illinois. (Photo by Scott Olson/Getty Images)

Cute Zoo Animals

Magellanic penguin chicks at San Francisco Zoo. (Photo Credit: Justin Sullivan/Getty Images)

Cute Zoo Animals

A giant panda bear at the Smithsonian National Zoo in Washington, DC. (Photo Credit: Chip Somodevilla/Getty Images)

Cute Zoo Animals

A Polar Bear at San Francisco Zoo. (Photo Credit: Justin Sullivan/Getty Images)

Cute Zoo Animals

A Western Lowland Gorilla at the Smithsonian's National Zoo in Washington, DC. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Cute Zoo Animals

A baby Western Lowland Gorilla at the Smithsonian's National Zoo in Washington, DC. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Cute Zoo Animals

A Guinea Pig at the San Francisco Zoo. (Photo by Justin Sullivan/Getty Images)

Cute Zoo Animals

Two rare Peninsular pronghorns, male twins at the Los Angeles Zoo. (Photo Credit: David McNew/Getty Images)

Cute Zoo Animals

An Amur tiger cub at the Brookfield Zoo in Brookfield, Illinois. (Photo by Scott Olson/Getty Images)

Cute Zoo Animals

A polar bear cub at the Brookfield Zoo in Brookfield, Illinois. (Photo by Scott Olson/Getty Images)

Cute Zoo Animals

A red panda at the National Zoo in Washington, DC. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Cute Zoo Animals

A baby Visayan warty pig at the San Diego Zoo. (Photo by Ken Bohn/San Diego Zoo via Getty Images)

Cute Zoo Animals

A Vietnamese pot-bellied pig at the Central Park Children's Zoo in New York. (Photo credit: STAN HONDA/AFP/Getty Images)

Cute Zoo Animals

A Bonobo, or pigmy chimpanzee, at the Cincinnati Zoo. (Photo by Mike Simons/Getty Images)

Cute Zoo Animals

A baby zebra at the Miami Metrozoo in Miami, Florida. (Photo by Joe Raedle/Getty Images)

Cute Zoo Animals

A Hedgehog at the San Francisco Zoo. (Photo by Justin Sullivan/Getty Images)

Cute Zoo Animals

A prairie dog at the San Francisco Zoo. (Photo by Justin Sullivan/Getty Images)

Cute Zoo Animals

A lion cub at the San Francisco Zoo. (Photo by Justin Sullivan/Getty Images)

Cute Zoo Animals

A polar bear cub at the Brookfield Zoo in Brookfield, IL. (Photo by Tim Boyle/Newsmakers)

Cute Zoo Animals

A cheetah at the Smithsonian National Zoo in Washington, DC. (Photo by T.J. Kirkpatrick/Getty Images)

Cute Zoo Animals

Kangaroos at Franklin Park Zoo. (Photo Credit: Sarah Woodruff)

Cute Zoo Animals

Red Pandas at Franklin Park Zoo. (Photo courtesy of Zoo New England)

Cute Zoo Animals

(Photo Credit: Zoo New England)

Cute Zoo Animals

Bongos at Franklin Park Zoo. (Photo credit Christina Demetrio, Zoo New England)