Giant hippopotamus in the "zoo", Central Park, New York
Monster pair of hippopotamuses. Blood sweating behemoths of the Nile
[An adult and baby hippopotamus at the National Zoo, Washington, D.C.]
Hippopotamus - Central Park, New York, U.S.A.
Hippopotamus Fatima the [Intarie], Central Park
Hippopotamuses, happily bogged down at the Wildlife Safari in Winston, near Medford, Oregon
Result of a morning's hippopotamus hunt on Mlembo River, Rhodesia, Africa
Sudan. Khartoum. Khartoum Zoo. A hippopotamus
[Group of Africans with a dead hippopotamus]
Washington, D.C. Hippopotamus in the zoo begging for peanuts
Sells Brothers enormous united shows... The greatest animal feature ... Hippopotamus and tremendous female companion ...
Turr'ble tales of Kaptin Kiddo. [Girl and kitten are frightened by the sight of two African men]
When there's a boy in the family. "Looks like Mr. Fungus, don't ya think?"
High jinks in the jungle
Information - Brookfield Zoo
"Gosh, no -- it's not mine"
Visit the zoo - Philadelphia
Pygmy hippo and her new baby before a battery of press cameras, New York Zoological Park