Animal did you knows

Did you know elephants sleep between 4 - 5 hours in 24 period
Did you know it's possible to lead a cow up stairs but not down
Did you know frogs can't swallow with their eyes open
Did you know elephants are the only mammal that can't jump
Did you know frogs don’t drink (they absorb water through their skin)
Did you know at birth dalmations are always white
Did you know hummingbirds are the only bird that can fly backwards
Did you know a duck can't walk without bobbing its head
Did you know a hummingbird's heart beats at over a 1,000 times a minute
Did you know dragonflies have 6 legs but can't walk
Did you know a crocodile can't move its tongue
Did you know hippopotamuses have killed more people in Africa than any other animal
Did you know an elephants ears are used to regulate body temperature
Did you know bats always turn left when exiting a cave
Did you know crocodiles never outgrow their enclosure
Did you know reindeer hair is hollow inside like a tube
Did you know cows don't have upper front teeth
Did you know an octopus pupil is rectangular
Did you know cats can't move their jaw sideways
Did you know its physically impossible for pigs to look up at the sky

Useless facts: