Bats Use a Tool to Locate and Catch Prey

This bat gleans insects from leaves. A team of researchers discovered that by approaching a leaf at an oblique angle, it can use its echolocation system to detect stationary insects in the dark. (Inga Geipel)

Bats Use Leaves as Mirrors to Locate and Catch Their Prey

by Michael Waters

For much of 2009 and 2010, Inga Geipel huddled over a series of computer monitors in a four- by four-meter chicken-wire cage along the rainforest of Barro Colorado Island. Across the way, Geipel, a scientist at the Smithsonian Tropical Research Institute (STRI) in Panama, had rigged an enclosure which she’d designed to mimic the surrounding environment. A bat, some artificial leaves, a suspended dragonfly and a camera were inside this tropical pen.

Late into the night, a bleary-eyed Geipel watched to see if the common big-eared bat could use its echolocation capabilities to catch the dragonfly, even though the insect wasn’t moving or making any noise. Striking the insect would only take two or three seconds, so she was afraid to even blink.

“The funny part is that these bats are fairly small”—they weigh around 6 grams—“and the prey items they sometimes eat are as large as them,” Geipel says. “If they eat one of these prey items, they basically fall asleep. Imagine you eat a steak that’s nearly your size, and then you just fall into this food coma. So most of the time I spent watching the sleeping bat and trying not to fall asleep myself.”

Read more:


We See The World From All Sides and Want YOU To Be Fully Informed
In fact, intentional disinformation is a disgraceful scourge in media today. So to assuage any possible errant incorrect information posted herein, we strongly encourage you to seek corroboration from other non-VT sources before forming an educated opinion.

About VT - Policies & Disclosures - Comment Policy
Due to the nature of uncensored content posted by VT's fully independent international writers, VT cannot guarantee absolute validity. All content is owned by the author exclusively. Expressed opinions are NOT necessarily the views of VT, other authors, affiliates, advertisers, sponsors, partners, or technicians. Some content may be satirical in nature. All images are the full responsibility of the article author and NOT VT.