Sperm release behavior of the dusky frillgoby Bathygobius fuscus males

Defense behaviors of nest-holding males against sneaker males in dusky frillgoby Bathygobius fuscus

Sperm removal behavior of the cuttlefish Sepia esculenta

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

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

Courtship behavior of the Common Moorhen

Bark carving behavior of the Japanese horned beetle

Mating Behavior of Typopeltis stimpsonii in the habitat

Foraging behavior of the nudibranch, Melibe pilosa

Foraging behavior of the cirripedia, Capitulum mitella

Agonistic bahavior between males of domestic cats in the forest

Foraging behavior of leaf-cutting ants. I. Leaf cutting behavior

Mating behavior of the Japanese burnet moths

Mating behavior of the Japanese burnet moths

Spawning behavior of the messmate pipefish Corythoichthys haematopterus

Mating behavior of the white tailed zygaenid moths

Mating behavior of the Japanese badger Meles anakuma

Mating behavior of the Japanese badger Meles anakuma

nuptial gifting behavior of the Japanese scorpionfly

The robbing behavior of a jumping spider Silerella vittata

Spawning behavior of the Far Eastern catfish, Silurus asotus in paddy fields

Play, fight, and intervening behavior of puppies

Egg-laying behavior of the cuttlefish Sepia esculenta (Cephalopoda: Sepiidae)

Female-female fighting behavior of the Japanese horned beetle

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