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
The reindeer is the only mammal that can see UV light.
17
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
The seahorse is the only fish to have a neck.
12
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Whales and dolphins can't taste anything other than salt.
11
Sheep, goats, octopuses, and toads have rectangular pupils.
7