Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Over 10,000 birds a year die from smashing into windows.
47
Flies are deaf.
379
Chained dogs are 3 times more likely to bite than unchained dogs.
34
Human birth control pills work on gorillas.
52
There wasn't a single pony in the Pony Express, just horses!
57
Mosquitoes prefer children to adults, blondes to brunettes.
52