‘Bag of chips effect’ helps bats find a meal

Sounds of other bats feeding reveal prey locations

greater mouse-tailed bat

ALL EARS  The greater mouse-tailed bat listens for other bats to deduce where prey cluster.

Jens Rydell

Bag of chips effect
BAG uhv CHIHPS ih-fekt n.

A circumstance in which the sounds of one individual eating alerts others to the location of food.

Researchers have found that hungry bats find dinner by listening for their peers zeroing in on prey.