Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
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
Cows can sleep standing up, but they can only dream lying down.
745
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20