An observation of combat dance of Cyclophiops semicarinatus in Ikei-jima Island

Well in an Island

Field observation of escape behaviour with inking in the Japanese pygmy squid (S-stop)

Field observation of escape behaviour with inking in the Japanese pygmy squid (C-change)

Ritual combat of Elaphe quadrivirgata observed in the non-mating season

An Old Man of an Island

Innoshima Island

Mortal Combat of the Garrison on Peleliu Island

Spawning behaviour of Pseudogobio esocinus (Cypriniformes, Cyprinidae) in an experimental tank

1914 : the beginning of an era in modern Japanese art

Problem solving and ”observation learning” in a carrion crow

The Dance of Death: An den Mond

Portrait of Dr.HIRASE Kaio in His Study

Mating Behavior of Typopeltis stimpsonii in the habitat

Hypaethros Temple in the Island of Philae, Nubia

Island without Green―Gunkanjima: An Accident in the Mine from "Human Land″

Island without Green―Gunkanjima: Child on an Errand from "Human Land″

Ratto doushu ikei shouchou ishoku ni okeru Kupffer saibou no kinou ni tsuite

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

The foraging behavior of Japanese macaques on carpenter bees in Yakushima Island

[Suspended in an Arch]

Hannou jikan kadai no suikou katei ni okeru ikei kankaku shigeki no kouka

Beikoku ni okeru nihon kansatsu no ronchou

Deer bucks moving in the mating season

Observation record of a male Ashy Minivet Pericrocotus divaricatus divaricatus carrying nest materials into the nest of Asian Brown Flycatchers Muscicapa dauurica in Hokkaido, northern Japan