Scientists thought bats that glean insects off the surface of vegetation (rather than capturing it in the air) couldn't possibly detect their prey using echolocation alone. A new study shows that at least one bat can detect and capture silent, motionless insects as they sit on vegetation - using only their biosonar.How do they do it? Read the entire post here: Even Motionless Prey Isn’t Safe From This Bat’s Unique Echolocation Ability.