The Great Ape House will be closed to visitors on Thursday, April 3.
Due to technical difficulties, we cannot process online payments. Free Entry Passes are still available and visitors may purchase Parking Passes at the Zoo (subject to availability).
The Smithsonian Conservation Biology Institute hatched two Guam rail chicks earlier this month. The hatchings are a boon for the species, which is currently classified as “extinct in the wild” by the International Union for Conservation of Nature ( IUCN), although there are small populations that...
Two female Guam rails born at the Smithsonian Conservation Biology Institute in Front Royal, Virginia, were released to the wild in the Commonwealth of the Northern Mariana Islands Sept. 18. This month’s release marks the first time since 1985 that there are more Guam rails in the wild than in human...