Sperm removal behavior of the cuttlefish Sepia esculenta

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

Sperm release behavior of the dusky frillgoby Bathygobius fuscus males

Courtship behavior of the Common Moorhen

Foraging behavior of the nudibranch, Melibe pilosa

Foraging behavior of the cirripedia, Capitulum mitella

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

Sperm releasing of a sea cucumber

The robbing behavior of a jumping spider Silerella vittata

Spraying behavior of Megaloptera

Courtship behavior of Smews

Feeding behavior of parrotfish

Threatening behavior of deer

Reproductive behavior of Taranetz_lumpsucker

Play, fight, and intervening behavior of puppies

Decorating behavior of sea urchin

Female-female fighting behavior of the Japanese horned beetle

Oviposition behavior of Inocellia japonica

Mateing　behavior of egg parasitoid