Male amazonian royal flycatchers appear as normal brown birds until they are threatened or trying to attract a mate and they raise their brightly-colored crest.
Amur Leopards are considered critically endangered, but the population has more than doubled in the past 20 years thanks to a new National Park and protections.
Aye ayes' find food by percussive foraging, meaning they tap on trees to locate grubs, then gnaw a hole in the tree and use their long middle finger to pull out the bugs and grubs.
Though they usually avoid flying, black-necked grebes can fly up to 3,700 miles during migration. After migration they become flightless for two months in order to moult.
You may know blobfish as pink, gooey looking fish with a droopy look, but they do not look that way in their natural habitat, deep below the sea. Their gelatinous makeup helps them from being crushed, and they look more like the image above.
The California Condor became extinct in the wild in 1987 when the US government captured the few remaining birds for a captive breeding program which multiplied the numbers enough that some have since been released back into the wild.
Devils Hole pupfish are the rarest fish in the world, as they are only able to survive in a very small portion of Devils Hole in Death Valley National Park.