A kangaroo cannot jump if its tail is off the ground.
29
How does a shark find fish? It can hear their hearts beating.
31
The cicada, a fly found in Africa, spends 17 years of its life sleeping; and only two weeks is awake during which mates and then dies.
33
Greyhounds have the best eyesight of any breed of dog.
28
Salmon can jump as high as 6 feet.
40
A lion in the wild usually makes no more than twenty kills a year.
186
Butterflies taste with their feet.
30