15 Amazing Facts About 15 Birds

A common raven looking pretty pleased with itself.
A common raven looking pretty pleased with itself. / Andreas Saatze-Stein/500px/Getty Images
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14. Hoatzin chicks are born with claws on their wings.

Two hoatzin on a tree branch.
Two hoatzin on a tree branch. / Staffan Widstrand/Corbis Documentary/Getty Images

Though they disappear after three months, young hoatzin (also known as “stink birds” for their unique stench) have two claws on each wing, which they can use to climb across tree branches or pull themselves out of water onto dry land. The claws also help chicks hide from predators: After jumping from their nest into the water below, the little hoatzin swim some distance, then pull themselves on land with their claws. When the coast is clear, they use their claws to climb up onto a tree branch.