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13 of the ugliest animals on the planet

By: Bryan Nelson on Sept. 3, 2010, 12:10 p.m.
Horseshoe bat

Photo: Doug Beckers/Flickr

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Horseshoe bat

Like most insect-eating bats — which use echolocation to catch their prey — horseshoe bats have a warped appearance that looks more like an ear than a face. This adaptation makes them more receptive to sound waves, which allows them to swiftly navigate through the air.