People who have never been married are 7 and a half times more likely than married people to be admitted to a psychiatric facility. Over 1,000 birds die each year from smashing into windows. Ferrets sleep for about 20 hours each day. Elephants can be pregnant for up to 2 years. Rats can't vomit.
Flies take off backwards.
A duck's quack doesn't echo, and no one knows why. The memory span of a goldfish is 3 seconds. Cows produce 200 times more gas a day than people do. Snails can sleep for 3 years. The average person falls asleep in 7 minutes.