It was a case of 'who knew she was pregnant?' when zoo staff realized a newbie was on the scene.
In keeping with the season, we look at animals on the pale side that have caught our eye in recent times.
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.
The critically endangered Javan green magpie gets what may be its last shot at survival.
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.
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