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)

When wedding photographer Katie Yeaton saw that one of her dogs had white fur and the other had black-and-white fur, she did what only a wedding photographer could do: she threw them a backyard wedding complete with professional photography to remember the day. (Photo by Katie Yeaton)

Cynthia the Kodiak Bear enjoys a whole Tasmanian Atlantic Salmon to celebrate her 28th birthday at Taronga Zoo on January 17, 2005 in Sydney, Australia. (Photo by Matt King/Getty Images)

American singer Katy Perry shows off her red hot outfit at Billboard Women In Music 2024 held at YouTube Theater on March 6, 2024 in Inglewood, California. (Photo by katyperry/Instagram)

Singer Katie Gavin of American indie pop band MUNA performs onstage at the 2023 Coachella Valley Music and Arts Festival on April 14, 2023 in Indio, California. (Photo by Emma McIntyre/Getty Images for Coachella)

American singer-songwriter and actress Teyana Taylor attends the London premiere for the movie “One Battle After Another” in London on September 16, 2025. (Photo by Katie Collins/Reuters)

A woman collects water from a stream outside the village of Tsemera in Ethiopia's northern Amhara region, February 13, 2016. (Photo by Katy Migiro/Reuters)

Katy Perry attends the 2019 Met Gala celebrating “Camp: Notes on Fashion” at the Metropolitan Museum of Art on May 06, 2019 in New York City. (Photo by Andrew Kelly/Reuters)