Predator

The last thing a barn swallow probably expects as it’s flying low over a lake is to be met with a mouthful of needle-sharp teeth emerging from the water. And if the bird happens to be flying over a certain lake in South Africa, that may well be the last thing it sees. A recent...

  Genitals are useful for transferring sperm, but why stop there? Some animals have evolved unusual and creative ways to use their naughty bits to trick predators or attract mates. Recently, scientists discovered that hawkmoths have an unusual defense against bat sonar—by rubbing their genitals together, the moths produce ultrasonic sounds of their own. These...

By Kate Horowitz At the first whiff of a mountain lion, a mouse might scamper away, a rabbit might freeze, and a stray dog might prepare for a fight. These instinctive responses, so crucial to survival, are surprisingly common: New research shows that even plants can benefit from “eavesdropping” on chemical cues from their attackers....