Some species of fish have voices!
81
At one 'feeding', a mosquito can absorb one and a half times its own weight in blood.
-1
A rodent's teeth never stop growing.
16
A lion in the wild usually makes no more than twenty kills a year.
186
The reindeer is the only mammal that can see UV light.
17
The poison-arrow frog has enough poison to kill about 2,200 people!
55