One in three dog owners say they have talked to their pets on the phone.
427
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
A 42-foot sperm whale has about 7 tons of oil in it.
209
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17