By photographer Tim Flach.
Frans de Waal gave Capuchin monkeys a task to see if they responded to a sense of fairness.
The cute story of Buttons the Jack Russell and Kitty the kitten.
By Roeselien Raimond.
Recently discovered by photographer Yoji Ookata.
And they fly to Hip Hop Dubstep.
This adorable kitten is called Daisy and she lives in Japan.
By Nikolai Zinoviev.
It's called heterochromia.
One of the better movies about cat on the internet.
Here is a selection of some very cute friendships between different kinds of animals.
Too cute to handle!
Bolt is defeated by a cheetah...
In the Wildlife Kilmore Rescue Centre in Victoria, Australia.
Creepy but awesome!
The weirdest cats on the internet!
A beautiful video by WWF.
Some cool pictures.
By Dusan Beno.
Without exterminating them!
By Traer Scott.
Just because it's heart-melting.
It only makes them cuter.
These photographs are taken at exactly the right moment.