Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
The heart of a mouse beats 650 times per minute!
53
Bats always turn left when exiting a cave.
40
Some species of fish have voices!
81
A group of pugs is called a grumble.
10
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
A woodpecker can peck twenty times a second.
28
Parrot parents "name" their children with a signature call.
112