Sea urchins have five-part radial symmetry, meaning their bodies are organized around a central point with five equal sections. elaborate share
Some hornbill species use their large bills to help regulate their body temperature. elaborate share
Snow monkeys, despite living in snowy areas, don't actually hibernate. elaborate share
Some pufferfish species contain tetrodotoxin, a neurotoxin so potent that there's no known antidote. A tiny amount can be fatal to humans. elaborate share
Flying geckos don't actually fly; they glide using their expanded "wings," which are flaps of skin supported by elongated ribs. elaborate share
Kinkajous are sometimes called "honey bears," but they aren't bears at all; they're more closely related to raccoons. elaborate share
Lungfish can survive out of water for months, burying themselves in mud and entering a state of estivation (similar to hibernation). elaborate share