An egret in the second decade of April 2025 cools off in the Florida heat by gular fluttering, rapidly vibrating its throat muscles with an open beak. The mechanism helps to dissipate heat through evaporation. (Photo by Ronen Tivony/ZUMA Press Wire/Alamy Live News)

Chester Zoo in the second decade of August 2025 has welcomed a pair of tiny golden lion tamarins, named George, seven, and Leaf, 12. (Phoot by Chester Zoo)

A meerkat stands guard as her pups cuddle at Mountain Zebra National Park, South Africa early November 2025. (Photo by Nadine Leonard/Two Point O Media)

A baby bush-baby in a set of scales at London Zoo shortly after birth. (Photo by Fox Photos/Getty Images). 10th August 1938

Savita, a street performer, helps her dog to balance on empty tin containers as they perform at a roadside in Ahmedabad September 7, 2014. (Photo by Amit Dave/Reuters)

Belgian animal sculptor Emmanuel Janssens Casteels works at his desk next to a replica of a Smilodon, an extinct genus of machairodont felid, in his workshop in Prayssas December 3, 2014. Casteels' company OPHYS specializes in life-size reconstructions and the sculpting or moulding reproductions of animals and hyper-realist fossils. His reconstructions are exhibited in museums and theme parks. (Photo by Regis Duvignau/Reuters)

Western lowland gorilla Kijivu holds her newborn baby at the Prague Zoo in the Czech Republic. (Photo by Isifa/Getty Images)

Injured horses huddle together in Oklahoma City on Monday. (Photo by Chris Landsberger/The Oklahoman)