A gorilla is in front of a box with some kittens: keep your eyes on her hand ...

The gorilla Koko, already known in the field of primate research for her ability to speak with sign language, is 44 years old and has a very strong maternal instinct. In this video, she's put in front of a box of kittens: with two of them in particular she develops a very strong bond. Enjoy the moment when she takes one and hugs him with kindness. Whoa.