When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
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
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17