Science ❯ Biology ❯ Evolutionary Biology

Sexual Selection

Human Anatomy Life Expectancy Human Sexuality Female Songbirds Mating Behavior Mate Selection Dynamics Male Competition Extinct Species Morphological Traits Lifespan Differences Visual Signals Gender Roles Animal Behavior Mate Choice Gender Dynamics Pheromones Behavioral Adaptations Lifespan Variation Animal Intelligence Mating Signals

10 ARTICLES

4w ago

New Cretaceous Bird Plumadraco Has Tail Feathers Twice Its Body Length

Analysis of feather chemistry alongside anatomical features indicates the paired hyperelongate tail feathers were ornamental for mate display, evidence of sexual selection 121 million years ago.

12 ARTICLES

5mo ago

Peer-Reviewed Study Finds Penis Size Shapes Female Attraction and Male Rivalry Perceptions

9 ARTICLES

8mo ago

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

13 ARTICLES

8mo ago

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