An orphaned giraffe nuzzling a wildlife keeper at Sarara camp in Kenya, one of 70 pictures being sold by Prints for Nature (printsfornature.com) to raise money for work by the Conservation International charity. This giraffe was rehabilitated and returned to the wild, as a number of others have done before him. Right now, giraffe are undergoing what has been referred to as a silent extinction. Current estimates are that giraffe populations across Africa have dropped 40 percent in three decades, plummeting from approximately 155,000 in the late 1980s to under 100,000 today. (Photo by Ami Vitale/National Geographic)

(L-R) Ryan Regez of Switzerland, Tyler Wallasch of USA, Sandro Siebenhofer of Austria and Ferdinand Dorsch of Germany during the men's quarterfinal heat 4 during the men's Ski Cross final at the FIS Freestyle Ski World Cup event in Idre, Sweden 23 January 2021. (Photo by Pontus Lundahl/EPA/EFE)

Vancouver Canucks centerZack MacEwen (71) fights with Winnipeg Jets defenseman Derek Forbort (24) during first-period NHL hockey game action in Vancouver, British Columbia, Sunday, February 21, 2021. (Photo by Jonathan Hayward/The Canadian Press via AP Photo)

A picture taken on April 18, 2020 in Sainte-Croix shows a scultpure representing a man wearing a facemask as a preventive measure against the Covid-19 coronavirus in a field. (Photo by Fabrice Coffrini/AFP Photo)

New York Islanders' Matt Martin (17) and Pittsburgh Penguins' Zach Aston-Reese (12) fight during the second period in Game 2 of an NHL hockey Stanley Cup first-round playoff series in Pittsburgh, Tuesday, May 18, 2021. Both players received a two-minute minor penalty. (Photo by Gene J. Puskar/AP Photo)

Football fans watch a broadcast of the UEFA Euro 2020 round of 16 match between The Netherlands and Czech Republic on a terrace in Amsterdam, the Netherlands, 27 June 2021. Visitors had to be tested in advance and once did not have to keep a distance of 1.5 meters. As one of the relaxation of the corona measures, catering establishments are allowed to place large screens to show the matches. (Photo by Ramon van Flymen/EPA/EFE)

A young child reaches out to a Gentoo penguin as it swims in its enclosure at Pairi Daiza Park in Cambron-Casteau, Belgium, Monday, July 5, 2021. Pairi Daiza, one of the biggest zoos in Europe, has recently added ten Gentoo penguins to their animal population. (Photo by Virginia Mayo/AP Photo)

Japan's Mayumi Someya (R) competes against Venezuela's Claudymar Garces Sequera in the women's kumite -61kg elimination round of the karate competition during the Tokyo 2020 Olympic Games at the Nippon Budokan in Tokyo on August 6, 2021. (Photo by Carl Recine/Reuters)