Tail fanning by the artificial nest den-master

Agitating by the natural nest den-master

Egg eating by the natural nest den-master

Fanning behavior and repair of nest in three-spined stickleback Gasterosteus aculeatus

The Wolf’s Den

Spawning of "Luciola cruciata" (2); Laying to an artificial cloth in the field

Egg recognition in the Snow Goose: Experiment with artificial eggs

People of the Nest

Nest defence against a brood parasite by a male Japanese bush warbler

Nest defence against a brood parasite by a female Japanese bush warbler

Predation of an artificial seed of the pen shell Atrina sp. by the octopus Octopus vulgaris in an aquarium

Predation of an artificial seed of the pen shell Atrina sp. by the crab Charybdis japonica in an aquarium

Predation of an artificial seed of the pen shell Atrina sp. by the gastropod Rapana venosa in an aquarium

Worker oviposition and oophagy by the gamergate in Diacamma sp. from Japan

Nest predation of the Japanese marsh warbler by the Japanese least weasel

Intrusion of cuckold male bluegill into spawning nest

Nestlings predation by raccoon dog in the Eastern Crowned Leaf Warbler’s nest

Predation of a Ryukyu Scops Owl Nest on Hateruma Island by a Japanese Weasel

the guard of eggs by paternal millipede, Brachycybe nodulosa Verhoeff

The Artificial Moon Trails 1969 Tokyo from "The Last Cosmology"

Spawning of "Luciola cruciata" (1); Simultaneous spawning by multiple females

Predation of a Ryukyu Scops Owl Nest on Minami-daito Island by a Japanese Weasel

Predation of a Ryukyu Scops Owl Nest on Minami-daito Island by a Japanese Weasel

Predation of a Ryukyu Scops Owl Nest on Minami-daito Island by a Japanese Weasel

Nestlings predation by Japanese rat snake in the Eastern Crowned Leaf Warbler’s nest