Zoo staff ring in the new year with a 'stocktake' of each and every animal on the premises, covering more than 750 species.
A change in the weather puts the site's critters in a frolicsome frame of mind.
A goat sent to a Russian safari park as live prey for a Siberian tiger has instead befriended the big cat.
Three Humboldt penguins go missing, one of them ends up 'dead with injuries' in the Dortmund Zoo flamingo enclosure.
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.
A zoo is now short two moose, which a hunter mistakenly killed after thinking he had located quality prey.
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