What is the purpose of murmuration?
Grouping together offers safety in numbers – predators such as peregrine falcons find it hard to target one bird in the middle of a hypnotising flock of thousands. They also gather to keep warm at night and to exchange information, such as good feeding areas.
“When the early light catches thousands of wings simultaneously, combined with the haunting rustle of countless wingbeats, it is pretty close to avian witchcraft.”
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Interesting behavior that humans really don’t understand why.