Northern fulmar birds, found throughout the northern Atlantic and Arctic oceans, spit stomach oil when they feel threatened.
Photograph by John Downer Productions, NPL, Minden Pictures
The lobster moth caterpillar, found throughout Europe, Asia, and northern Africa, bends its head back and splays out its legs to look more threatening. Mission accomplished.
Photograph by Malcolm Schuyl, FLPA, Minden Pictures
The goosefish, found off the coast of the eastern United States, hangs out on the seafloor. It occasionally goes for a “walk” on its sturdy front fins.
Photograph by Wild Wonders of Europe, Lundgren, NPL, Minden Pictures
Male giant water bugs have an icky job—they have to carry their mate’s eggs on their backside. Dad keeps the eggs safe from predators until they hatch—right on his back.
Photograph by Ryu Uchiyama, Nature Production, Minden Pictures
California condors are carrion feeders—they eat other animals that are already dead. The birds keep clean by rubbing their bald heads on grass, rocks, and branches, and by taking baths.
Photograph by ZSSD, Minden Pictures
These deep-sea crustaceans called giant isopods can grow over a foot long. (Think about that crawling around inside your bathing suit!) Their size might help them survive the extreme pressure of the deep ocean.
Photograph by Norbert Wu, Minden Pictures
The freaky-looking mata mata, a turtle found in shallow waters in South America, can “snorkel” by stretching its neck to the surface to breathe, as its body rests on the bottom.
Photograph by Cyril Ruoso, Minden Pictures
This gross-looking squid worm, found off the coast of the Philippines, uses some of its appendages for breathing, some for feeding, and the paddle-like appendages running down its body for movement.
Photograph by OCEAN EXPLORATION TRUST, Nat Geo Image Collection
Click the full-screen arrows in the upper right to read the captions!