The 41-year-old female known as Nola saw her health take a quick turn for the worse.
Columbus Zoo's newest addition lets humans take care of her when her mother takes a break.
Smithsonian's National Zoo releases footage of his short but successful stroll.
Following a proposed law to phase out U.S. captivity of orcas, SeaWorld said it will end its killer whale show in San Diego. →
Klondike was 34 years old, older than the typical lifespan of a polar bear.
A zoo is now short two moose, which a hunter mistakenly killed after thinking he had located quality prey.
The new captive birth offers hope for the critically endangered species.
The educational event is condemned as a 'macabre spectacle' by animal rights groups but given a thumbs-up by many Danes.
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