This handout photograph taken on October 20, 2024 and released on November 13, 2025 by British Antarctic Survey shows a researcher launching a drone to study the number of southern elephant seals in Hound Bay on South Georgia island, in the South Atlantic Ocean. The world's largest species of seal has been devastated by bird flu, which has wiped out half of all breeding females at a key wildlife haven near Antarctica, scientists warned on November 13, 2025. (Photo by Handout / BRITISH ANTARCTIC SURVEY / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / BRITISH ANTARCTIC SURVEY" - HANDOUT - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS (Photo by HANDOUT/BRITISH ANTARCTIC SURVEY/AFP via Getty Images)