Esau the ape at the piano. (Photo by Reinhold Thiele/Topical Press Agency/Getty Images). Circa 1900

A chimpanzee bottle-feeds a lamb at Southam Zoo Farm in Warwickshire. The owners of the zoo, Mr and Mrs Clews, bring up many of the animals as their pets; the animals, are, as a result, of a friendly disposition. (Photo by Fox Photos/Getty Images). 23rd August 1968

If you feel bad about being being single and not having a girlfriend, Japanese photographer Keisuke Jinushi has a quick fix for you! The young artist, who studied at the Musashino Art University in Tokyo, shows how to use your own palm and Instagram to make the impression that you have a wonderful girlfriend.

Greetings, sickly monkeys! Planet Nibiru is near already. Confess, parasites! Love you! Yours truly, Avax

The pygmy marmoset (Cebuella pygmaea) is a small New World monkey native to rainforests of the western Amazon Basin in South America. It is notable for being the smallest monkey in the world at just over 100 grams (3.5 oz). It is generally found in evergreen and river edge forests and is a gum-feeding specialist

A Thai veterinarian sterilizes a monkey in a bid to control the birth rate of the monkey population in Hua Hin city, Prachuap Khiri Khan Province, Thailand, 15 July 2017. (Photo by Narong Sangnak/EPA/EFE)

Monkeys eat fruits during the Monkey Buffet Festival, near the Phra Prang Sam Yot temple in Lopburi province, north of Bangkok, Thailand November 27, 2016. (Photo by Chaiwat Subprasom/Reuters)

A tiger cub has a short chat with a chimp. (Photo by Ian Tyas/Keystone Features/Getty Images). 27th November 1979