An Orangutan named Elze walks in the Biopark of Rio during a media tour in Rio de Janeiro, Brazil, Thursday, March 18, 2021. The park was closed to the public for renovations to convert the city zoo into a center for biodiversity conservation and will reopen to the general public at the end of March. (Photo by Bruna Prado/AP Photo)

The Cage of Death at Crocosaurus Cove in Darwin City, Australia. The Cage of Death starts out above the water where the two tourists in it can see the huge crocodile below before the cage is lowered into the pen. The tourists are then inches from the 16-foot-long Saltwater crocodile as it greedily snaps its jaws over meaty treats that are being dangled right in front of the cage. (Photo by Crocosaurus Cove/Media Drum World/Profimedia)

A penguin (Manchots Royaux) walks on the basement area, early morning on December 25, 2022, at the Kerguelen Islands, also known as the Desolation Islands, are a group of islands in the sub-Antarctic. (Photo by Patrick Hertzog/AFP Photo)

While many of us would pay good money for a spa mud bath, these fortunate hippos in South Luangwa National Park, Zambia, have nature to thank as they take a plunge in a lagoon in the second decade of February 2024. (Photo by Dimitar Nedelchev/Solent News)

An Indian one-horned rhinoceros grazes on a dry wetland at the Pobitora Wildlife Sanctuary on the southern bank of the Brahmaputra River in Morigaon district of India's Assam state on April 4, 2025. (Photo by Biju Boro/AFP Photo)

The sea leopard. The Antarctic Peninsula. (Photo by Paul Nicklen)

A concept illustration of the world's first forest in the sky, the Bosco Verticale green twin towers currently under construction in Milan, Italy. Towering over the city skyline the world's first forest in the sky will be a sight to behold. With tree equal to one hectare of forest spanning 27 floors these 365 and 260 foot emerald twin towers will be home to an astonishing 730 trees, 5,000 shrubs and 11,000 ground cover plants. (Photo by Boeri Studio)

This greedy piglet was isolated from the rest of its litter by the farmer who named it Hitler after it tried to grab all the food at feeding time. (Photo by R J Lewis/Getty Images). 1942