Digging behavior in the opisthobranch Hydatina physis

Digging behavior of three-spined stickleback Gasterosteus aculeatus

Mating Behavior of Typopeltis stimpsonii in the habitat

Love Buried in the Sand

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

Agonistic behavior between females of domestic cats in the forest

Things Suspended in the Sky

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

Feeding behavior in green turtle

A stereotypical behavior in the Eurasian red squirrel Sciurus vulgaris

Matuta victor diving into the sand

Jacknife clam crawling into the sand

Naked Man Digging

My Wife in the Dunes (Ⅲ)

My Wife in the Dunes (II)

My Wife in the Dunes (Ⅳ)

Nude in the Dunes

Nude in the Dunes

Woman Digging for Bamboo Shoots in Snow; Parody of Meng Zong (Môsô)

Courtship behavior in the Cardinalfish, Apogon niger

the mistake of a swimming cormorant

Bark carving behavior of the Japanese horned beetle

Man in the Dunes

Man in the Dunes

Larval picking behavior inducing stomodeal trophallaxis by workers in Reticulitermes speratus