Chasing and sneaking behavior of male Japanese bitterling

Male-male sexual behavior in Cobitis magnostriata

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Sneaking of male guppy

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Courtship behavior of male red-eared sliders and female rejection response

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Mating behavior of the white-spotted longicorn beetle, Anoplophora malasiaca.2 Male mate orientation regulated by olfactory and visual cues

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male three-spined stickleback chasing a female out of the territory

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Hindquarters display: courtship display by the male Japanese macaque

Osaka Museum of Natural History

Movie Archives of Animal Behavior

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

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Nest visiting behavior of male staghorn damselfish

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Courtship behavior of a male Bengalese finch

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male-male fighting behavior of the seed bug, Togo hemipterus

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Mating behavior and male gathering of the white tailed zygaenid moths

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Undirected song behavior of a male Bengalese finch

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Playfull chasing of a father and his son

Osaka Museum of Natural History

Movie Archives of Animal Behavior

The re-invasion behavior of Japanese scorpionfly males that lost the male-male competition

Osaka Museum of Natural History

Movie Archives of Animal Behavior

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

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Mating behavior of Japanese black salamanders

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Oat-rinsing behavior of Japanese monkeys on Kou-jima

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Copulation of Japanese Grass Lizards, interrupted by another male

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Courtship and mating behavior of Bengalese finch

Osaka Museum of Natural History

Movie Archives of Animal Behavior

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

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Encountering when a male visited the territory of a female

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male-male combat of Otton frogs

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Mating behavior of the Japanese burnet moths

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Mating behavior of the Japanese burnet moths

Osaka Museum of Natural History

Movie Archives of Animal Behavior