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Sex is not a factor in whether Hermann’s tortoises have four or five digits

A study published in the journal Organisms Diversity & Evolution has shown that it is variation between populations and not, as previously thought, between sexes that determines whether Hermann’s tortoises have four or five digits on their front feet.

Delta de l'ebre @en Evolutive ecology Mariona ferradiz rovira Mediterranean Menroca Population dynamics Reptile Testudo hermanni @en Tortoise