A male Red Ring Skirt (Hestina assimilis) tried unsuccessfully to mate with a female feeding on tree sap

A male baikal teal following a female with calling

Male three-spined stickleback Gasterosteus aculeatus under fanning turned out a female

Struggle to dislodge in a heterospecific mating pair consisting of a female Drosophila santomea and male a D. yakuba

Mating behavior of the white-spotted longicorn beete, Anoplophora malasiaca.-1. Male mating trial to a glass-rod treated with female pheromonal extract