Cows can sleep standing up, but they can only dream lying down.
745
Most of a hog's sweat glands are in its snout.
11
A blue whale's aorta (the main blood vessel) is large enough for a human to crawl through.
52
The world's smallest mammal is the bumblebee bat of Thailand, weighing less than a penny.
60
The average 1 1/4 lb. lobster is 7 to 9 years old.
13
Goldfish lose their color if they are kept in dim light or are placed in a body of running water, such as a stream.
12
The giant squid has the largest eyes in the world.
62
At 188 decibels, the whistle of the blue whale is the loudest sound produced by any animal
34