Dogs that protect little penguins (2015)

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When foxes discovered little penguins on a small Australian island, they nearly wiped the colony out. Amazingly, since Oddball and his four-legged successors were introduced 10 years ago, there has not been a single penguin killed by a fox on Middle Island. The current dogs patrolling Middle Island are Eudy and Tula, named after the scientific term for the fairy penguin: Eudyptula.

Source: www.bbc.com