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Opossums don't really sleep hanging upside down by their tails, as depicted in drawings and cartoons.12:02 PM May 28thvia HootSuite
Barnacles have the longest penises (relative to body size) of any creature on Earth - up to ten times the length of its own body.12:01 PM May 28thvia HootSuite
Male birds do most of the singing and they do it to stake our their territory and to invite the female of the species to mate.12:01 PM May 27thvia HootSuite
Ostriches rarely put their heads in the ground, but when they do they are just looking for water below the surface.4:01 PM May 26thvia HootSuite
Nocturnal animals can see well at night partly because of a white compound called guanine in the retina.12:01 PM May 26thvia HootSuite