Nature did you knows

Did you know that 90% of an iceberg sits under water
Did you know African Grey Parrots have vocabularies of over 200 words
Did you know a giraffe can clean its ears with its 21 inch tongue
Did you know lightning strikes the Earth 6,000 times every minute
Did you know fire usually moves faster uphill than downhill
Did you know cats have over 100 vocal chords
Did you know camel's milk doesn't curdle
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 a strawberry is the only fruit which seeds grow on the outside
Did you know hippopotamuses have killed more people in Africa than any other animal

Useless facts: