Courtesy of the Smithsonian National Zoo Last fall, contractors renovating the National Zoo’s Elephant House were about to pour a layer of concrete when Tim Buehner, the Zoo’s design manager ...

are now participating in an ongoing study of animal cognition at the Think Tank at Smithsonian's National Zoological Park. The animals, who live in the Great Ape House, commute to the Think Tank ...

On Oct. 18, the Smithsonian ... House and Reptile Discovery Center. Guests will also receive a souvenir tote bag to collect goodies from trick-or-treating stations throughout the zoo.

In the D.C. region, conversations often start with, “What do you do?” WTOP’s new series “Working Capital” profiles the people doing the work that makes the D.C. region so unique.

However, a few zoos have come up with ways to broaden their animals' horizons, and the Smithsonian National Zoo ... over the heads of zoo guests from the Great Ape House all the way to the Think ...

By Lee Powell Nov. 17 at 6:30 a.m. At the Smithsonian’s National Zoo ... a bird keeper at the National Zoo’s Bird House. It takes keepers a long time to acclimate these birds to strange ...