Fight of hummingbird

shell fight of hermit crabs

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Fight

Tokyo Photographic Art Museum

Tokyo Museum Collection

Fight for a nest in great cormorants Phalacrocorax carbo

Osaka Museum of Natural History

Movie Archives of Animal Behavior

[Cock Fight]

Náprstek Museum

Database of Japanese Art in Overseas Collections

Educational Picture:Japanese　(Children Life to Fight)

Keio University Media Center

Digital Collections of Keio University Libraries

Watching a Cock Fight

Museum of Fine Arts, Boston

Museum of Fine Arts Boston Collection

Female fighting of Dorcus rectus rectus

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male-male competition of Japanese scorpionfly

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male-male agonistic behavior of Carrhotus xanthogramma

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male-male agonistic behavior of Sitticus penicillatus (2)

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male-male agonistic behavior of Sitticus penicillatus (3)

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

[Struggle of the Sunagawa Base]

Museum of Contemporary Art Tokyo

Tokyo Museum Collection

[Struggle of the Sunagawa Base]

Museum of Contemporary Art Tokyo

Tokyo Museum Collection

[Struggle of the Sunagawa Base]

Museum of Contemporary Art Tokyo

Tokyo Museum Collection

Tousou no ato

NDL Digital Collections

NDL Digital Collections

Red foxes fighting over territory

Osaka Museum of Natural History

Movie Archives of Animal Behavior

ゼニタナゴの闘争

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Sei no tousou

NDL Digital Collections

NDL Digital Collections

Fighting Thomson's gazelle

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Great Fight at Heijo(Korea)

Keio University Media Center

Digital Collections of Keio University Libraries

Campus Strife, the University of Tokyo

Tokyo Photographic Art Museum

Tokyo Museum Collection

Dokuritsu no tousou

NDL Digital Collections

NDL Digital Collections