Emus and kangaroos cannot walk backwards.
26
Domestic pigs average a top speed of about 11 miles per hour.
182
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Ralph, the world's largest bunny, weighs 55 pounds and eats $90 worth of food a week.
8
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
The average cat sleeps about 2/3 of the day.
203
The male gypsy moth can "smell" the virgin female gypsy moth from 1.8 miles away!
55