Fighting Horses (Kämpfende Hengste)

Swan Fighting

Tokyo Photographic Art Museum

Tokyo Museum Collection

Swan Fighting

Tokyo Photographic Art Museum

Tokyo Museum Collection

Male-male fighting of northern elephant seals

Osaka Museum of Natural History

Movie Archives of Animal Behavior

(Group of samurai fighting)

Tokyo Photographic Art Museum

Tokyo Museum Collection

(Group of samurai fighting)

Tokyo Photographic Art Museum

Tokyo Museum Collection

Male and Female Horses

Hermitage Museum

Database of Japanese Art in Overseas Collections

Male-male fighting of Harbor seals 1

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male-male fighting of Harbor seals 2

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

[Fighting Bulls]

The National Museum of Modern Art, Tokyo

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

Horses

The National Museum of Modern Art, Tokyo

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

Horses

Museum of Contemporary Art Tokyo

Tokyo Museum Collection

[Horses]

The National Museum of Modern Art, Tokyo

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

Horses

Museum of Modern Art, Saitama

MoMAS Collection

Horses

Hermitage Museum

Database of Japanese Art in Overseas Collections

Horses

Kyoto National Museum

Integrated Collections Database of the National Museums, Japan

Horses

Los Angeles County Museum of Art

Norton Simon Museum Collection

Horses

Kyoto National Museum

Integrated Collections Database of the National Museums, Japan

Fighting Thomson's gazelle

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Wild Horses

Museum of Fine Arts, Boston

Museum of Fine Arts Boston Collection

Wild Horses

Kyoto National Museum

Integrated Collections Database of the National Museums, Japan

Five Horses

National Palace Museum

National Palace Museum API

Pasturing Horses

National Palace Museum

National Palace Museum API

Two Horses

The National Museum of Modern Art, Kyoto

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