Female kangaroos have three vaginas.
2
Sloths take two weeks to digest their food.
243
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Rattlesnake mating sessions have been known to last more than 22 hours.
232
One in three dog owners say they have talked to their pets on the phone.
427
Nicole Kidman is scared of butterflies.
65
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20