Animals·Posted on Sep 24, 201713 Facts About Animals' Brains That Will Make You Say, "IDK How To Feel About This"FACT: There's a fungus that can take over an ant's brains and turn it into a zombie!!!by Kayla SuazoBuzzFeed StaffLinkFacebookPinterestTwitterMail 1. Squids have doughnut-shaped brains. 2. Leeches have 32 brains. 3. Sea squirts (I know — just, why?) eat their own brains. 4. An ostrich's brain is smaller than its eyeball. 5. Starfish don't have a centralized brain. 6. Male and female stickleback fish have different size brains. 7. A sperm whale has the biggest brain of any mammal — but compared to its body size, its brain is actually teeny tiny. 8. A spider's brain is so big that it spills into its legs. 9. A killer whale shuts down half of its brain when sleeping. 10. Woodpeckers have a super-strength skull to prevent brain injuries. 11. Around two-thirds of an octopus's neurons are distributed in its arms and suckers, and not its brain. 12. A cockroach can live for weeks without a head and brain. 13. A certain type of fungus can take over an ant's brain, literally turning it into a zombie. Tap to reveal Click to reveal The animal kingdom is a wild place. Anyway, that's all for today. Bye! Tap to play GIF Tap to play GIF