Sexual Aggression Drives Female Tortoises to Extinction on Remote Island

An extreme imbalance of male to female Hermann's tortoises on a remote North Macedonian island is leading to constant sexual aggression, causing females to walk off cliffs and threatening the population's extinction.

14 Feb, 10:02 — 14 Feb, 10:02

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NYT14 Feb, 10:02

Constant Sexual Aggression Drives Female Tortoises to Walk Off Cliffs

On a remote island in North Macedonia, male Hermann’s tortoises outnumber females 19 to 1, an imbalance driving the population to extinction.

By Elizabeth Preston

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