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Sexual Selection

Life Expectancy Gender Roles Mating Behavior Animal Intelligence Female Songbirds Morphological Traits Pheromones Gender Dynamics Behavioral Adaptations Animal Behavior Mate Selection Dynamics Lifespan Variation Lifespan Differences Mating Signals Male Competition

Sexual Selection, Not Just Chromosomes, Drives Lifespan Gaps Between Males and Females

The analysis finds consistent lifespan gaps across classes, with females leading in mammals, males in birds.

Largest Cross-Species Analysis Maps Sex-Based Longevity Gaps in Mammals and Birds

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