Crocodiles were played the sound of human babies crying. The higher the infant's distress level, the more the carnivores would respond.

Crocodiles were played the sound of human babies crying. The higher the infant's distress level, the more the carnivores would respond.

A Nile crocodile.Getty Images <ul> <li>Nile crocodiles react to the cries of infants from species like bonobos, chimpanzees, and humans.</li> <li>The crocodiles also seem to detect distress in cries… [+2447 chars]

Read More