The Toronto Zoo says it has euthanized one of its lions after the animal spent several months undergoing veterinary care for a gastrointestinal symptoms.

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Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

Hannah Shirley—the world’s oldest living pygmy hippopotamus in managed care—has celebrated her 52 nd birthday in style this with week with a very appropriately themed party. Born on November 22, 1973, ...

Getting your Trinity Audio player ready... Mahali, the Denver Zoo’s beloved Nile hippopotamus, will stay in the Mile High City a little longer than expected. Zoo officials in July announced that the ...

Hippo escapes from zoo and causes chaos in the surrounding area. Food-stamp fraud numbers expose which states are draining the most taxpayer dollars Valerie Bertinelli apologizes on air to man she ...

DENVER — Denver Zoo Conservation Alliance said this week that its beloved hippos' scheduled transfer to a different state this fall has been postponed. In July, the zoo announced Mahali, its Nile ...