The Chow and the Chinese Shar-Pei are the only dogs that have black tongues.
32
The first two years of a dog's life are equal to 24 human years.
25
Penguins can convert salt water into fresh water.
97
Cats and dogs can hear ultrasound.
350
Parrots have 500 pounds per square inch of pressure in their beaks.
21
Minnows have teeth in their throat.
21