Southern right whales are showing alarming signs of change: aerial surveys reveal nearly double the number of solo whales this year compared to last, as breeding cycles stretch from every three to five years. With fewer calves sighted and overall numbers down, scientists link the trend to warming waters and krill fisheries disrupting food availability—forcing whales to delay reproduction. Once reliable calving grounds are fading, underscoring how fragile these giants’ survival is amid shifting ecosystems.

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