Spitting of Japanese-bitterling eggs by the bivalve Anodonta woodiana

the guard of eggs by paternal millipede, Brachycybe nodulosa Verhoeff

Eggs of Japanese rice-fish eaten by a bloodwarm

Eggs of the Japanese rice-fish

Egg recognition in the Snow Goose: Experiment with artificial eggs

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

The Okinawan tree lizard burring its eggs

Egg eating by the natural nest den-master

Agitating by the natural nest den-master

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

oophagy by larvae of Odorrana utsunomiyaorum

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

Tail fanning by the artificial nest den-master

A male Japanese badger offspring, Meles anakuma, and his mother entering the sett together to dig the burrow by scraping the soil from the inside and carrying it out of the sett

Pair spawning by territorial male of pteragogus aurigarius

behaviour of the ectosymbiotic bivalve through host ecdysis

Feeding of a pelican to gulls

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

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

Group　spawning by non-territorial male of P.aurigarius

Removal of the Eastern Crowned Leaf Warbler's nestling by the Oriental Cuckoo chick

Male-male competition for eggs in the filefish Rudarius ercodes

The pursuit of sika deers by dogs

Surgery by a team of medical personnel with the Japanese Red Cross

Copulation of Japanese Grass Lizards, interrupted by another male