Nest visiting behavior of male staghorn damselfish

Courtship behavior of a male Bengalese finch

Male-male fighting behavior of the seed bug, Togo hemipterus

Undirected song behavior of a male Bengalese finch

Male-male sexual behavior in Cobitis magnostriata

Chasing and sneaking behavior of male Japanese bitterling

Mating behavior and male gathering of the white tailed zygaenid moths

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

Encountering when a male visited the territory of a female

Male-male agonistic behavior of Carrhotus xanthogramma

[Visiting in the Snow]

Spraying behavior of Megaloptera

Courtship behavior of Smews

Feeding behavior of parrotfish

Threatening behavior of deer

Reproductive behavior of Taranetz_lumpsucker

Decorating behavior of sea urchin

Male-male agonistic behavior of Sitticus penicillatus (2)

Male-male agonistic behavior of Sitticus penicillatus (3)

Male-male agonistic behavior of Sitticus penicillatus (1)

Oviposition behavior of Inocellia japonica

Mateing　behavior of egg parasitoid

Spawning behavior of Opsariichthys uncirostris

Mating behavior of Rhomphaea sagana

Threat behavior of Gaetice depressus