A walruses at Hagenbeck Zoo in Hamburg, Germany on July, 7, 2015. (Photo by Werner Struss/Startraks action)

A woman prepares to release carps to Hoan Kiem lake on Kitchen God's Day as part of the traditional Vietnamese Lunar New Year celebrations, the biggest festival of the year in Hanoi, Vietnam on February 4, 2021. (Photo by Kham via Reuters)

A Dead Leaf butterfly (Kallima inachu formosana, also called Orange Oakleaf Butterfly) rests on a tree trunk at the Taipei Zoo in Taipei, Tawian, 03 August 2019. Dead Leaf butterfly can be found in Tropical Asia from India to Japan. When its wings close, it resembles a dead leaf, providing camouflage against predators including birds, ants, spiders and wasps. (Photo by David Chang/EPA/EFE)

Demonstrators protest against police shootings and racial injustice in New York City, U.S., April 16, 2021. (Photo by David “Dee” Delgado/Reuters)

American media personality and socialite Kylie Jenner in the second decade of November 2022 shows off her cleavage. (Photo by Kylie Jenner/Instagram)

3-year-old Myla Mills plays with a two day old lamb in a toy pram in her family's farmyard in Arley, Worcestershire, United Kingdom on January 28, 2023. Early lambs are produced when the ram is free to tup the ewes over winter. (Photo by Peter Lopeman/Alamy Live News)

A mine detection rat is given banana as a reward after successfully identifying an inactive mine on July 2, 2015 in Siem Reap, Cambodia. The Cambodian Mine Action Center (CMAC) working with the Belgian NGO APOPO has recently begun testing the feasability of using large mine detection rats from Tanzania to help clear fields of mines and unexploded ordnance in one of the most bombed and mined countries in the world. (Photo by Taylor Weidman/Getty Images)

The contest began in 2007, and since then photographers from more than 70 countries have entered. Photo: Michael O'Neal of San Francisco won first place in the animals category in the 2014 iPhone Photography Awards. (Photo by Michael O'Neal)