the guard of eggs by paternal millipede, Brachycybe nodulosa Verhoeff

Spitting of Japanese-bitterling eggs by the bivalve Anodonta woodiana

Eggs of Japanese rice-fish eaten by a bloodwarm

Egg recognition in the Snow Goose: Experiment with artificial eggs

Eggs of the Japanese rice-fish

Indiscriminate consumption of unrelated eggs by a gravid female and a satellite male in natural nests

Pair spawning by territorial male of pteragogus aurigarius

Male-male competition for eggs in the filefish Rudarius ercodes

Group　spawning by non-territorial male of P.aurigarius

The Okinawan tree lizard burring its eggs

Egg eating by the natural nest den-master

Agitating by the natural nest den-master

oophagy by larvae of Odorrana utsunomiyaorum

Woodcutters with Tengu Eggs

Tail fanning by the artificial nest den-master

Egg-predation defense by the deception of a male three-spined stickleback Gasterosteus aculeatus

Streaking by non-territorial male of P.aurigarius

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

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

The pursuit of sika deers by dogs

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

Approach with stalking by the male to the female in Microvelia horvathi Lundblad, 1933

Egg care of male three-spined stickleback Gasterosteus aculeatus

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

The Life of the Virgin in Emblems: A Lioness and a Cub Being Chased by a Hunter