Lungfish can survive out of water for months, burying themselves in mud and entering a state of estivation (similar to hibernation). elaborate share
Giant squid have the largest eyes in the animal kingdom. elaborate share
Giant isopods can survive for up to eight weeks without food. elaborate share
Tuataras have a third eye on top of their heads, although it's covered by scales and doesn't function like a normal eye. elaborate share
Sea otters hold hands while sleeping to avoid drifting apart. elaborate share
Arapaima, despite being a giant freshwater fish, are obligate air breathers and must surface to gulp air. elaborate share
Kakapo are the only flightless parrot in the world. elaborate share
