How not to eat the wrong frog

Fringe-lipped bats can’t be fooled by imitators of favored prey

Fringe-lipped bats eat frogs even though gulping the wrong one in the dark could be fatal.

DINNERTIME A fringe-lipped bat sweeps out of the night to carry off a túngara frog. The bat relies on a series of senses to avoid accidentally taking a poisonous meal.