Some species of cetaceans (whales and dolphins), like the boto, sleep with only half their brain at a time! This adaptation, called unihemispheric sleep, allows them to surface in order to breathe.  For more on other animals that also practice unihemispheric sleep and the reasons why, take a gander at this article.

If provided with water, tarantulas can survive for up to 2 years without food! Source: Baerg WJ. (1958). The Tarantula. University of Kansas Press, Lawrence, KS.

When you google image search “baby crow,” the first picture that pops up of an adorable, fluffy bird is not actually a crow!  It’s a buff-banded rail, a species not even closely related to the crow.  Real baby crows are born altricial, meaning they are under-developed, unable to feed themselves, and featherless.  The buff-banded rail,…

Monarch butterflies use the sun to navigate on their long seasonal migrations.  Know what body part they use to sense the sun’s location in the sky?