Female cat solicits male

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

Osaka Museum of Natural History

Movie Archives of Animal Behavior

male presenting to male

Osaka Museum of Natural History

Movie Archives of Animal Behavior

A male baikal teal displaying head-pumping in front of a female

Osaka Museum of Natural History

Movie Archives of Animal Behavior

A male fiddler crab captured a female and took her into his burrow

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

Male-male combat of Otton frogs II

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Unhappy interaction between male and female fiddler crab: vol.2

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Unhappy interaction between male and female fiddler crab: vol.1

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Suffering of a small male

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male and Female Deer

Hermitage Museum

Database of Japanese Art in Overseas Collections

Male and Female Dogs

Hermitage Museum

Database of Japanese Art in Overseas Collections

Male and Female komusō

Honolulu Museum of Art

Honolulu Museum of Art Collection

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

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male and Female Chin Dogs

Hermitage Museum

Database of Japanese Art in Overseas Collections

[Male and female musk deer]

Library of Congress

Digital Collections, Library of Congress

Cat Hunting a Rat

Museum of Fine Arts, Boston

Museum of Fine Arts Boston Collection

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

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Flight of a Morpho amathonte male

Osaka Museum of Natural History

Movie Archives of Animal Behavior

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

Osaka Museum of Natural History

Movie Archives of Animal Behavior

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

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Incantations to the Female-Male Principle

Museum of Fine Arts, Boston

Museum of Fine Arts Boston Collection

Chasing and sneaking behavior of male Japanese bitterling

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Capturing paired female by egg-guarding male

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Incubating Japanese Paradise Flycatchers. Male then female

Osaka Museum of Natural History

Movie Archives of Animal Behavior