Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
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
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
One in three dog owners say they have talked to their pets on the phone.
427
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
A group of kittens is called a "kindle".
10