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crows

Noisy speakers may not scare away crows during winter

Speakers, along with plastic models of predators, such as Cooper hawks, may be more effective in scaring crows away.
Crows Choose Whether To Call

Walker Rhea

Humans voluntarily choose some of our actions, but others are automatic. Scientists want to know whether animal behaviors are automatically triggered by environmental situations, or whether animals sometimes choose their behaviors just like humans do.