A chameleon's tongue is twice the length of its body.
29
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Animals will not eat another animal that has been hit by a lightning strike!
41
A blue whale's heart is the size of a Volkswagen Beetle!
37
A blue whale's aorta (the main blood vessel) is large enough for a human to crawl through.
52
A bird 'chews' with its stomach.
33
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