It's a question visitors ask staff all the time at the Smithsonian's National Zoo's Bird House. The answer may surprise you!

After a years-long campaign raised nearly $120 million, Seattle's Woodland Park Zoo is finally announcing a big venture ...

Sloth Crossing is the newest exhibit at the Jacksonville Zoo and Gardens. The zoo is home to a pair of sloths, Chata and Ruth. The new exhibit will be in the zoo's Play Park area. Two sloths ...