Memes, Penguin, and Penguins: There's an island off the coast of  Australia where a pair of dogs guard a  colony of tiny penguins so they won't be  wiped out by foxes. The little penguin  colony was nearly extinct until 2006,  when the trained Maremma sheep dogs  were put on the island to be their  protectors. No penguins have been  killed by foxes since the program began,  and the population increased from  fewer than 10 to nearly 200.
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