Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Squirrels forget where they hide about half of their nuts.
698
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Two dogs were among the Titanic survivors.
262
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
One in three dog owners say they have talked to their pets on the phone.
427