Egg and nestling ejection by an Oriental cuckoo nestling

Egg predation by an Oriental cuckoo on an Eastern crowned warbler's nest

An Eastern crowned warbler mobbing a stuffed Oriental cuckoo

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

Fledging of an Oriental Cuckoo

A predation attempt by an Oriental Cuckoo on Asian Stubtail nestlings

Female Eastern Crowned Leaf Warbler attack the Oriental Cuckoo that approach her nest

Removal of Short-tailed Bush Warbler's nestlings by Oriental Cuckoo

4 Nectarines and an Egg

Removal of Oriental reed warbler’ｓnestlings by Common Cuckoo

Egg eating by the natural nest den-master

A nestling of Japanese Marsh Warbler leaving and returning to its nest before fledging

Tadpole larvae of the forest green treefrog (Rhacophorus arboreus) hatching out of an egg cluster

Egg deposition and female guarding in the dragonfly Orthetrum albistylum speciosum

Agitating by the natural nest den-master

Twelve Months: April,　Little Cuckoo and Bonito

Mate feeding and egg brooding in the male peregrine falcon 2

Mate feeding and egg brooding in the male peregrine falcon 1

Mate feeding and egg brooding in the male peregrine falcon 3

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

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

Tail fanning by the artificial nest den-master

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

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

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