There are 1331 bat species on Earth

Indian_Flying_Fox_(Pteropus_giganteus)_Kolkata_West_Bengal_India_2704201315 of those 1331 were discovered in 2014 alone. The giant golden-crowned flying fox is the largest species and has a wingspan of almost two metres (six feet). There are 67 species of flying fox that are all native to Asia and Oceania. Depsite their large size and sharp teeth, these bats eat only fruits and flowers.

The smallest is Kitti’s hog-nosed bat, weighing in at only two grams (0.07 ounces). It’s also known as the bumblebee bat because it’s as small as a buzzing bee.

Bats live on every continent of the planet except the north and south poles, and feed on either insects or plant matter. Bats are one of the few animals that use echolocation to find their food. By emitting rapid beams of sound, they can build up a mental picture of the environment by listening out for the resultant echo.

Because they are nocturnal animals, they have developed this biological sonar system that essentially uses beams of sound in the same way an eye uses light. Toothed whales are the only other group of animals that do this.

 

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Kangaroo anatomy

 

Image from
flickr.com/photos/davidden
commons.wikimedia.org/wiki/File:Indian_Flying_Fox