A caiman in the Pantanal region of Brazil in 2021. They are used to seeing humans, allowing the photographer, Leighton Lum, a close-up shot. (Photo by Leighton Lum/Caters News Agency)

A hyena kisses his own reflection while appearing to walk on water. (Photo by Jake De Wet/Caters News Agency)

The secretive indri (Indri indri) of Madagascar, the largest living lemur. It is also critically endangered and highly evolutionarily distinct with no close relatives, which makes its branch one of most precarious on the mammal evolutionary tree. In the likely event that the indri goes extinct, we will lose 19m years of unique evolutionary history from the mammal tree of life. (Photo by Pierre-Yves Babelon/Aarhus University)

A Bengal tigress who gave birth to four cubs at the Guadalajara Zoo, Jalisco state, Mexico runs at the zoo on October 5, 2021. (Photo by Ulises Ruiz/AFP Photo)

A baby pangolin sits with its mother inside a cage prior to their release into the wild in Sibolangit, North Sumatra, Indonesia, Monday, April 27, 2015. The anteaters are part of dozens of live pangolins and around five tons (11,000 lbs) of pangolin meat ready to be shipped abroad confiscated in a police a raid last week. (Photo by Binsar Bakkara/AP Photo)

Four-month-old fox cubs squaring up to each other in Walthamstow, England on August 7, 2015. (Photo by Greg Morgan/Barcroft Media)

The photographer Yan Hidayat says his pet Pacman frog and Brazilian turtle are inseparable. He still had to wait four hours to get this photo in West Sumatra, Indonesia, in the first decade of March 2024. (Photo by Yan Hidayat/Media Drum Images)

A cygnet keeps snug under its mother’s wing at Heronry Pond in Wanstead Park in east London in the last decade of May 2024. (Photo by Jeff Moore/The Times)