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

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

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

Prior loser vs familiar owner

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Territorial contest in male Chrysozephyrus smaragdinus

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male-male competition in Uca arcuata

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male-male fighting in a butterfly

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

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 fighting of northern elephant seals

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 agonistic behavior of Sitticus penicillatus (1)

Osaka Museum of Natural History

Movie Archives of Animal Behavior

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

Prior loser vs naive owner

Osaka Museum of Natural History

Movie Archives of Animal Behavior

The re-invasion behavior of Japanese scorpionfly males that lost the male-male competition

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Agonistic bahavior between males of domestic cats in the forest

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

A change of courtship waving display and pair formation in a fiddler crab

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Reproductive behavior of domestic cats during the mating season in the forest

Osaka Museum of Natural History

Movie Archives of Animal Behavior

La Tauromaquia [The Bullfight]: The unlucky death of Pepe Illo in the ring at Madrid

The National Museum of Western Art, Tokyo

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