Almost two years old male baby orang-utan Dalai looks on in the zoo in Dresden, Germany, 30 March 2017. Dalai was born to mother Daisy in June 2016. (Photo by Filip Singer/EPA)

A dog with a cherry blossom-shaped pin, is seen in the cherry blossom festival in Seoul, South Korea, Sunday, April 9, 2017. (Photo by Lee Jin-man/AP Photo)

A mouse rides on the back of a frog in floodwaters in the northern Indian city Lucknow June 30, 2006. (Photo by Pawan Kumar/Reuters)

Staff at a Scottish farm say they are “absolutely delighted” to have welcomed a baby alpaca into the world this morning, June 6, 2019. Mum, Nunavut, gave birth to the baby boy huacaya alpaca, which has not yet been named, weighing 9.6kg. Stuart Ramsay, the owner of Velvet Hall Alpacas, in Innerleithen, Scottish Borders said he was surprised when the baby was born an “unusual rose grey colour”. (Photo by South West News Service)

A cat wering glasses lies in a pet dryer at the “Pet Expo Championship” in Bangkok, Thailand on August 30, 2019. (Photo by Mladen Antonov/AFP Photo)

Emily Hicks (not pictured) of Charleston holds her dog Murphy along the waterfront ahead of the arrival of Hurricane Dorian in Charleston, South Carolina, U.S., September 4, 2019. (Photo by Randall Hill/Reuters)

A river otter (lontra longicaudis) of 6-weeks-old looks in the mirror during a bath in the Animal Welfare Unit of the Zoo in Cali, Colombia, on October 22, 2019. The baby otter was found abandoned brought to the Cali Zoo for breeding, for its extensive experience in raising these species. According to the International Union for Conservation of Nature the river otter (lontra longicaudis) are in danger of extinction, because of mining, agriculture, pollution of rivers and housing construction in their habitat. (Photo by Luis Robayo/AFP Photo)

An undated handout picture released on January 10, 2017 by the Issekinicho publishing house shows an inter- species sexual behaviour between a male Japanese macaque and female sika deer, in Yakushima Scientists revealed on January 10, 2017 the “highly unusual” behaviour of a male monkey filmed trying to have sеx with female deer in Japan – a rare case of inter- species nookie. (Photo by Editions Issekinicho/AFP Photo)