Mother hen chicken with cute tiny baby chicks all protected beneath her wings keeping warm outdoors only their 12 legs visible poking out the bottom outside. (Photo by Matthew Troke/iStockphoto via Getty Images)

Revellers enjoy a night out in central Liverpool, northwest England, on December 30, 2020 before hightened Tier 3 restrictions closing hospitality venues, and bars indoor and outdoor socialising between households are imposed in the city amid surging cases of the novel coronavirus. (Photo by Oli Scarff/AFP Photo)

Imagine living in the sea where it is permanently dark, cold, and food is hard to find. For many animals at depth, it may be weeks to months between meals. If you find something to eat, you have to hang on to it. This is why so many deep-sea fishes have lots of big teeth. This dragonfish, spotted off the coast of Australia, even has teeth on its tongue. They would be terrifying animals ... if they weren’t the size of a banana. (Photo by Julian Finn/Museum Victoria)

Women wearing "Shiroshozoku" or the traditional white robe pray as they bathe in ice-cold water at the Teppozu Inari shrine in Tokyo, Japan, January 10, 2016. About 100 participants took part in the Shinto ceremony to purify their souls and wish for good health in the new year. (Photo by Yuya Shino/Reuters)

Trainer Lawney Hill poses for a photograph as she wears tights over her face to keep out the cold after taking her horses out on the all-weather gallops in Tetsworth, Britain, March 2, 2018. (Photo by Eddie Keogh/Reuters)

A pod of white pelicans, one of the largest birds in Canada and the US, are seen on the shore of the Chapala lagoon in Cojumatlan de Regules, Mexico, on January 28, 2022. White pelicans travel thousands of kilometers migrating from the cold temperatures of North America. (Photo by Ulises Ruiz/AFP Photo)

Afghan vendors sort out oranges for sale at a wholesale market in the Bati kot district in Nangarhar province, Afghanistan, 04 December 2020. The orange fruit floods markets across Afghanistan due to bumper crop in the winter season. Oranges are rich in vitamin C, which may reduce severity of the common cold. (Photo by Ghulamullah Habibi/EPA/EFE)