Interruption of copulation by an intruding male

Copulation of Japanese Grass Lizards, interrupted by another male

male presenting to male

Interruption of courtship behavior of male three-spined stickleback Gasterosteus aculeatus

Acceptance of copulation

Intrusion of cuckold male bluegill into spawning nest

female presenting to male

Egg care of male three-spined stickleback Gasterosteus aculeatus

Rejection of copulation

Copulation of Vespa simillima

Egg-predation defense by the deception of a male three-spined stickleback Gasterosteus aculeatus

Major cheliped use in intruder male during male-male contest of hermit crab

The copulation of guppy

Coercive copulation of guppy

Attempted copulation of cat

Copulation of rabbits

Mating behavior of the Japanese badger Meles anakuma

Mating behavior of the Japanese badger Meles anakuma

copulation of Japanese macaques I

copulation of Japanese macaques II

Time-lapse images of concealing behavior at a mating site by a male Japanese badger (Meles anakuma) after copulation

Fanning behavior of three-spined stickleback Gasterosteus aculeatus and its interruption by the wandering of a non-indigenous red swamp crayfish

Video1. A male offspring (delayed disperser) of the Japanese badger, Meles anakuma, digging the sett and scraping soil out

A male Japanese badger offspring, Meles anakuma, and his mother entering the sett together to dig the burrow by scraping the soil from the inside and carrying it out of the sett

Streaking by non-territorial male of P.aurigarius