Summary
A deadly H5 bird flu outbreak on remote sub-Antarctic islands has killed an estimated 13,000 seal pups, a study finds.
Drone surveys revealed a 76% mortality rate among southern elephant seal pups on Heard and McDonald Islands.
The virus likely arrived from another group of sub-Antarctic islands and has also killed several hundred king penguins.
AI-generated summary was reviewed by a CNN editor.
A deadly strain of bird flu sweeping through remote islands near Antarctica has devastated the native…