Ellen MacRae a student from Edinburgh University take a lateral flow antigen test at a test centre which is also open to students in Edinburgh Napier University, Queen Margaret University and SRUC on December 1, 2020 in Edinburgh, Scotland. The programme is running in partnership between the University of Edinburgh and other Scottish universities, the Scottish Government and NHS Test and Protect, supporting students leaving their term-time accommodation to travel home at the end of term for the winter break. (Photo by Jeff J. Mitchell/Getty Images)

Samantha Bailey takes a selfie with a staff member dressed like a raptor at the Jurassic Quest drive-thru Experience outside The Rose Bowl Stadium during the outbreak of the coronavirus disease (COVID-19), in Pasadena, California, U.S., January 15, 2021. (Photo by Mario Anzuoni/Reuters)

Isabella Ferrari and Ben Ra pose for a photograph taken by Jacob deBlecourt at the City of Boston's Pride Kickoff event, celebrating the start of National LGBTQ+ Pride Month, in Boston, Massachusetts, U.S., June 1, 2022. (Photo by Brian Snyder/Reuters)

Austyn Scruggs, Alex Sutton and Josh Taylor, all sailors from NAS Jacksonville make their way down the 18th hole fairway in their St. Patrick's Day dragon costumes during the fourth and final round of The Players Championship PGA golf tournament at TPC Sawgrass in Ponte Vedra Beach, Fla. on March 17, 2024. (Phoot by Bob Self/Florida Times-Union via USA TODAY Network)

A boy holds a rifle as he sits at the site of a rally held by followers of the Shi'ite Houthi movement to commemorate the Ashura, the holiest day on the Shi'ite Muslim calendar, in Sanaa, Yemen on August 30, 2020. (Photo by Khaled Abdullah/Reuters)

After eight tense days, a female one horned rhinoceros was found and rescued from an area in India that has recently seen four other rhinos killed by poachers.

Photo: The rhino was finally located on Sunday in a field where it had taken shelter. Forest officials guarded the female one horned rhinoceros until it could be tranquilized and transported back to the Pobitora Wildlife Sanctuary. (Photo by Anupam Nath/Associated Press)

Medical residents, who removed their clothes to protest against working conditions, take part on a protest during a strike in Barcelona, Spain, Tuesday, October 20, 2020. Regional authorities across Spain continue to tighten restrictions against a sharp resurgence of coronavirus infections that is bringing the country’s cumulative caseload close to one million infections, the highest tally in western Europe. (Photo by Emilio Morenatti/AP Photo)

The blue-footed booby (Sula nebouxii) is a marine bird in the family Sulidae, which includes ten species of long-winged seabirds. Blue-footed boobies belong to the genus Sula, which comprises six species of boobies. It is easily recognizable by its distinctive bright blue feet, which is a sexually selected trait. Males display their feet in an elaborate mating ritual by lifting their feet up and down while strutting before the female.