Sexual interference on a copulating pair by males of Pale Grass Blue, Zizeeria maha argia

ガガンボの交尾と交尾干渉

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

Kataginu (Noh costume), Mountain, sandbank, and bamboo grass design on pale blue ground

Tokyo National Museum

Integrated Collections Database of the National Museums, Japan

Social interactions of bonobos in a waterside

Osaka Museum of Natural History

Movie Archives of Animal Behavior

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

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Pair of boats on a river

Freer and Sackler

DPLA API

Pair of pigeons on a branch

Freer and Sackler

DPLA API

Pair of birds on a branch

Freer and Sackler

DPLA API

Hawks by a Stream [left of a pair]

Minneapolis Institute of Arts

Minneapolis Institute of Art API

Hawks by a Stream [right of a pair]

Minneapolis Institute of Arts

Minneapolis Institute of Art API

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

Mirror with Wickerwork, Bamboo Grass, and a Pair of Birds

Kyoto National Museum

Integrated Collections Database of the National Museums, Japan

Poems from Wakan Roeishu (Collection of Japanese and Chinese Poems) on a Pair of Screens

Kyoto National Museum

Integrated Collections Database of the National Museums, Japan

Seated Mouse on a Pair of S

Minneapolis Institute of Arts

Minneapolis Institute of Art API

Dark Cloud over a Pair of Lovers: ONOE Itahachi

Edo-Tokyo Museum

Tokyo Museum Collection

Bulbul on a Plum Tree [right of a pair]

Minneapolis Institute of Arts

Minneapolis Institute of Art API

Mirror with Bush Clover, Pampas Grass, and a Pair of Birds

Kyoto National Museum

Integrated Collections Database of the National Museums, Japan

Tigers by Mountain Streams [right of a pair]

Minneapolis Institute of Arts

Minneapolis Institute of Art API

Coulation of Parafontaria tonominea

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Copulation of Vespa simillima

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Food Container with Leaves of Grass Design, Blue Underglaze

The National Museum of Modern Art, Kyoto

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

Chrysanthemums painted on a pair of wooden doors

Freer and Sackler

DPLA API

Warbler on Plum Branch (one of a pair)

Philadelphia Museum of Art

Philadelphia Museum of Art collection

Chintz Formerly preserved by the Ii family (Hikone Chintz), Small flower design on pale blue ground

Tokyo National Museum

Integrated Collections Database of the National Museums, Japan