A rodent's teeth never stop growing.
16
Only female bees work.
20
The average housefly weighs 10 to 15 millionths of a pound.
33
A domestic cat can sprint at about 31 miles per hour.
274
The costliest cat ever is named Little Nicky, who cost his owner $50,000. He is a clone of an older cat.
204
Termites work 24 hours per day and they do not sleep.
57
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
Elephants, lions, and camels roamed Alaska 12,000 years ago.
32