During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
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When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
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In Australia, there are spiders big enough to eat snakes.
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