The cat brain weighs about 30g.
167
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
Whales and dolphins can't taste anything other than salt.
11
A domestic cat can sprint at about 31 miles per hour.
274
Lobsters have blue blood.
476
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Tigers can see 6 times better at night than humans.
305