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crows

  • Crows tend to spend time during the day on the outskirts of town and come back to campus at night to roost.
    Noisy speakers may not scare away crows during winter
    Isabella Vesperini
    Speakers, along with plastic models of predators, such as Cooper hawks, may be more effective in scaring crows away.
  • (Linda Tanner, Wikimedia Commons)
    Crows Choose Whether To Call
    Paul Patton
    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.