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Antarctic Seals & Penguins Face Climate Crisis Threat
10 Apr
Summary
- Emperor penguin populations decline due to record low sea ice.
- Antarctic fur seal numbers halved due to shifting krill.
- Southern elephant seals face bird flu, worsening declines.
Emperor penguin populations in Antarctica are experiencing severe declines, with multiple colonies showing significant drops in numbers. This trend is directly linked to record-low sea ice levels, which are essential for the penguins' breeding, molting, and access to prey.
Similarly, Antarctic fur seal populations have plummeted from an estimated 2 million adults to fewer than 1 million since 2014. This rapid decrease is primarily attributed to dramatic shifts in krill availability, as warming waters force these crustaceans deeper and farther offshore, disrupting the food supply for breeding seals.
Adding to the crisis, southern elephant seals have seen more than 30 percent losses in major populations due to bird flu. This disease's impact is believed to be worsened by warming temperatures, which allow pathogens to reach polar wildlife with no prior immunity. The cumulative threats underscore the urgent need for global action on climate change.
