It looks like a kiss but this male and female blackbird were fighting in flight in Charlton Adam, Somerset, South West England in July 2022. (Photo by Ben Pulletz/Solent News)

A volunteer approaches a male toad to pick him up from a road near Berlin on March 18, 2012 in Gueterfelde, Germany. (Photo by Sean Gallup/Getty Images)

“This grey adult male seal enjoys a good grin while lying on the beach”. (Photo by Michael Hutch/SplashdownDirect via Rex USA)

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)

This huge male orangutan is having a right old laugh as he squints his eyes and shows his huge teeth. The orangutan, called Bimbo, was relaxing on a platform around 5m high in his enclosure when he broke out into a laugh. But his happy smile soon disappeared when another orangutan came over to see what was going on. Bimbo – the only male in the group of five apes at Leipzig Zoo, in Germany - appears to be laughing in much the same way as a human would. (Photo by Martina Radtke/Solent News)

A bride gets her make-up done before the start of a mass marriage ceremony in Kolkata, India, February 14, 2016. A total of 150 tribal Hindu, Muslim and Christian couples from various villages across the state took their wedding vows on Sunday during the day-long mass marriage ceremony organised by a social organisation, the organisers said. (Photo by Rupak De Chowdhuri/Reuters)

A Kashmiri Muslim bride looks through her veil during a mass wedding event in Srinagar, Indian controlled Kashmir, Thursday, June 15, 2023. Mass weddings in India are organized by social organizations primarily to help the economically backward families who cannot afford the high ceremony costs as well as the customary dowry and expensive gifts that are still prevalent in many communities. (Photo by Mukhtar Khan/AP Photo)

A newly married bride is seen after a mass wedding ceremony in which 2,016 couples participated, at Zocalo square in Mexico City, Mexico, March 19, 2016. Thousands of couples took part in a mass wedding ceremony Saturday in Mexico City. More than 5,000 people descended on Mexico City’s central square for the festivities. Among them were 2,165 couples ready to get married. (Photo by Edgard Garrido/Reuters)