Undated handout photo issued by Marwell Zoo of cotton-headed tamarin triplets born at Marwell Zoo. The critically endangered monkeys were born at Marwell Zoo near Winchester, UK on May 6 and keepers say they are “doing well”. Issue date: Wednesday, May 24, 2023. (Photo by Marwell Zoo/PA Wire)





Spring blossom colours are reflected in water as a duck swims at Richmond Park in London, Britain on May 14, 2023. (Photo by Toby Melville/Reuters)





An endangered and rare female Mediterranean monk seal visits the shore of Jaffa in Israel on May 15, 2023. (Photo by Amir Cohen/Reuters)





Flamingos stand in a pond in Navi Mumbai on May 22, 2023. (Photo by Punit Paranjpe/AFP Photo)





An egret tends to her chicks in their nest near the Brahmaputra River in Guwahati on May 17, 2023. (Photo by Biju Boro/AFP Photo)





A Weddell seal luxuriates near the Gonzalez Videla base, an inactive Chilean research station in Antarctica in May 2023. The species was named in the 1820s during expeditions led by the British sealing captain James Weddell. (Photo by Isabel Jauss/Media Drum Images)





A swan swims in a pond in Ankara, Turkiye on May 16, 2023. (Photo by Evrim Aydin/Anadolu Agency via Getty Images)





A parrot chick looks out from its nest in a tree in Guwahati, India on May 12, 2023. (Photo by Biju Boro/AFP Photo)





These young sloth bears hitch a ride on their mother's back as she forages for food in the Ranthambhore Tiger Reserve in the Indian state of Rajasthan in May 2023. (Photo by Aditya Singh/Solent News)





A swan and cygnets on a pond on a sunny day in Bushy Park, Dublin on Wednesday, May 17, 2023. (Photo by Brian Lawless/PA Images via Getty Images)





Icelandic horses run on a meadow at a stud farm in Wehrheim near Frankfurt, Germany, Tuesday, May 16, 2023. (Photo by Michael Probst/AP Photo)





An alligator lurks among water lilies at dusk in Edmundo Navarro de Andrade state forest in Rio Claro city, São Paulo, Brazil on May 14, 2023. (Photo by Igor do Vale/Rex Features/Shutterstock)





Nesting gannets at Bempton Cliffs in Yorkshire on Tuesday, May 16, 2023, where around 500,000 seabirds flock to the chalk cliffs to find a mate and raise their young. From March to October the cliffs come alive with nest-building adults and young chicks, including Puffins, Gannets and Guillemots, forming one of the UK's top wildlife spectacles. (Photo by Danny Lawson/PA Images via Getty Images)





A great egret perches on a tree branch on the banks of the Brahmaputra River, in Guwahati, Assam, India on April 24, 2023. (Photo by David Talukdar/imageBROKER/Rex Features/Shutterstock)





A bird catches a fly during a hurling contest at UPMC Nowlan Park, Kilkenny, Ireland on May 10, 2023. (Photo by Evan Treacy/INPHO/Rex Features/Shutterstock)





A heron stands on a branch, in the Chinampas area of Xochimilco, in Mexico City, Mexico on May 12, 2023. Chinampas (floating farms) are human-built islands separated by canals, developed since prehispanic times to produce vegetables and still used today as an agricultural system in Xochimilco district. (Photo by Daniel Cardenas/Anadolu Agency via Getty Images)





A ewe sheep looks after its baby lambs on May 09, 2023 in Biddulph, England. (Photo by Nathan Stirk/Getty Images)





Two cheeky birds were spotted taking a perch on an unsuspecting zebra's bum at the Masai Mara National Reserve in Kenya in May 2023. (Photo by Clint Ralph/Caters News Agency)





A grey heron fishes for food on the lake at Sefton Park, Liverpool, Merseyside on Tuesday, May 23, 2023. (Photo by Peter Byrne/PA Wire)





A Barn Owl flying in Ham Wall nature reserve, Somerset on Sunday, May 14, 2023. (Photo by James Manning/PA Images via Getty Images)