A handout photo made available by Borneo Orangutan Survival Foundation (BOSF) shows veterinarian wearing protective masks and suit, conducting anesthesia procedure on Nenuah, a nine year old Bornean Orangutan before being transported and released to the Bukit Batikap protection forest, at the Nyaru Menteng Orangutan Rehabilitation Center in Palangkaraya, Central Kalimantan, Indonesia, 15 February 2021. BOSF and the national nature conservation agency (BKSDA) released 10 orangutans back to the wild in Bukit Batikap Protection Forest in Central Kalimantan and the Kehje Sewen Forest in East Kalimantan amid the pandemic according to BOSF. (Photo by BOSF Handout/EPA/EFE)

A Muslim worshipper belonging to the Mouride Brotherhood prays in the sea during the “prayer preformed at sea” ceremony in Dakar on September 21, 2023. Followers of the Muslim Mouride brotherhood in Senegal gather for a ceremony celebrating the prayer that the founder of the brotherhood, Cheikh Amadou Bamba preformed at sea when exiled to Gabon by the French. (Photo by John Wessels/AFP Photo)

A clown nose is placed on a child's face during a protest opposing violence against women after the murder of Venezuelan actress and clown Julieta Inés Hernández Martínez in Rio de Janeiro, Brazil, Monday, January 8, 2024. The body of Hern·ndez, who had been missing since Dec. 23 while traveling by bicycle, was found in Presidente Figueiredo city, near Manaus in Amazonas state. (Photo by Bruna Prado/AP Photo)

Winner of the National Park Foundation's photo contest; Honorable Mention: Fan Favorite. Grand Canyon National Park, Arizona. Three friends enjoy sunrise over the Grand Canyon. (Photo by Peter Blanchard)

A motor taxi driver gets his hands washed at an Ebola screening station on the road between Butembo and Goma on July 16, 2019 in Goma. The first patient to be diagnosed with Ebola in the eastern DR Congo city of Goma has died, the governor of North Kivu province said on July 16, 2019. The case – the first in a major urban hub in the region's nearly year-old epidemic of the disease – has sparked deep concern in neighbouring Rwanda and at the UN. (Photo by John Wessels/AFP Photo)

A green iguana, or American iguana sits on an Aldabra giant tortoise, the largest tortoise of the world, in their enclosure at the zoo park of Lille, northern France, on February 11, 2019. (Photo by Philippe Huguen/AFP Photo)

These images show off some of the world's most majestic creatures silhouetted against the beautiful rising and setting sun. The vibrant pictures feature a variety of animals in the wild and were taken by a host of photographers at locations around the world. The striking images all have one thing in common: the photographers' awe-inspiring ability to perfectly capture the silhouettes of earth's beautiful creatures. Here: a blue wildebeest moves through grassland at dawn with the sun in the background in Mara Naboisho Conservancy, Kenya, Africa. (Photo by Renato Granieri/Caters News/Ardea)

The fourth annual BigPicture Natural World Photography Competition aims to celebrate the diversity of life on Earth, and encourages people to protect and conserve it. Here: “The Salmon Catchers”. Terrestrial Wildlife. To capture this view of a mother grizzly bear and her cub, photographer Peter Mather set up a camera trap on a log that he knew the bears tended to traverse while fishing for salmon, in the Yukon River watershed in Canada. (Photo by Peter Mather/BigPicture Natural World Photography Competition 2017)