Indiscriminate consumption of unrelated eggs by a gravid female and a satellite male in natural nests

A Male and a Female Adhering to a Parallele-piped

The National Museum of Modern Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

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

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Egg-laying of a male-colored female common skimmer

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Eggs of Japanese rice-fish eaten by a bloodwarm

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Pair spawning by territorial male of pteragogus aurigarius

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Approach with stalking by the male to the female in Microvelia horvathi Lundblad, 1933

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Group　spawning by non-territorial male of P.aurigarius

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Egg deposition and female guarding in the dragonfly Orthetrum albistylum speciosum

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Consumption of fruits of Ardisia crispa by a Hypsipetes amaurotis

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Consumption of fruits of Nandina domestica by a Turdus eunomus

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

Fruit consumption of Aucuba japonica var. borealis by Turdus cardis and Turdus pallidus in spring

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Fruit consumption of Aucuba japonica var. borealis by a brown-eared bulbul in winter

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Worker oviposition and oophagy by the gamergate in Diacamma sp. from Japan

Osaka Museum of Natural History

Movie Archives of Animal Behavior

By the Mosquito Netting (Actor and Male Performer in Female Guise)

Museum of Fine Arts, Boston

Museum of Fine Arts Boston Collection

SKETCHES OF SUMMER 1: Parisian tritons, －male and female (not described by Mr. de Buffon)

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

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

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

Man and Girl in Front of a Camera

Edo-Tokyo Museum

Tokyo Museum Collection

Buddhist Priest and Men in Front of a Grave

Edo-Tokyo Museum

Tokyo Museum Collection

The rituals surrounding spermatophore transfer and differential treatment of spermatophores by the females in a springtail

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Upstream migration of common and crucian carps to spawn in a river flowing into Lake Biwa

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Boy and Girl in Front of a Temporary Branch of the Heian Tokugikai

Edo-Tokyo Museum

Tokyo Museum Collection

PARISIAN TYPES 44: Citizen grocer, warrior pure and without stain, Once a corporal, he wore a moustache; Dreamed of a future of large bullions And since that time, is the terror of urchins

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan