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Animal Facts

Mammals Facts


Aye-ayes tap on wood and listen for insect larvae inside
Reindeer eyes change color with the seasons
Tarsiers have eyes larger than their brains
Naked mole-rats are nearly cold-blooded among mammals and highly resistant to cancer
Wombats produce cube-shaped poop
Yangtze finless porpoises are the only freshwater porpoise left
Pangolins are the most trafficked mammals in the world
Mountain gorilla numbers have slowly risen thanks to protection
Northern white rhinos are functionally extinct in the wild
Vaquitas are the world’s most endangered marine mammal
Amur leopards are among the rarest big cats — only dozens remain in the wild
Fewer than 2,000 giant pandas live in the wild
Gray whales migrate up to about 20,000 km round trip
Narwhals’ tusks are elongated canine teeth
Sperm whales can dive deeper than 2,000 meters
Dolphins call each other by unique signature whistles
A blue whale can eat up to 4 tons of krill in a day
A cat’s whiskers are roughly as wide as its body
Cats cannot taste sweetness
A cat’s freefall righting reflex begins to work by about 3–4 weeks of age
Cats spend about 70% of their lives sleeping
Dogs can learn over 100 words and gestures
Bloodhounds can follow scent trails days old
Greyhounds can reach about 70 km/h
A dog’s sense of smell is up to 100,000 times stronger than a human’s

Mammals