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most Dims spena , *•>» the night sleeping, just as humans do. A few birds, like owls, are awake at night and rest during the d^.TWr birds that rest A&ftight find a safe place, such as a thick bush or shrub, where the nighttime predators will not see them.
Some, such as woodpeckers, spend the night in holes in trees. Most ducks, on the other hand, sleep on the water.
Most birds can fly at night, but will only do so if necessary. The reason for this is that their eyes, like human eyes, are not designed to see in nighttime conditions. If a bird cannot see well, it will risk iryury by flying at night. Unless startled into flight by a predator, most birds will avoid leaving their nighttime roost.
Other species, such as owls, nighthawks and whip-poor-wills, fly primarily at night, their most active time, and sleep during the day. Some Songbirds, ffWch are, active during
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