GUARDIAN | Environment
Climate crisis linked to fall in southern right whale birth rates as researchers raise ‘warning signal’
气候危机与南方露脊鲸出生率下降相关，研究人员发出“警示信号”
Southern right whales had recovered in recent decades after being hunted to near extinction in the 19th and 20th centuries, but now scientists say the climate crisis is bringing birth rates down.
2026-02-11 619词 中等
But long-term monitoring has revealed a worrying slowdown in breeding rates since 2017. Instead of giving birth to a calf every three years, southern right whales have shifted to four-year or five-year cycles, says Dr Claire Charlton, a marine biologist and the director of Current Environmental.
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