Keepers at the Smithsonian’s National Zoo’s Reptile Discovery Center spotted it during a routine checkup—a small, discolored bulge on the neck of the 4-year-old Henkel’s leaf-tailed gecko.

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.

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 ...

Keepers at the Smithsonian’s National Zoo’s Reptile Discovery Center spotted it during a routine checkup—a small, discolored bulge on the neck of the 4-year-old Henkel’s leaf-tailed gecko.