Inking during copulation in Idiosepius paradoxus

Another inking during copulation in Idiosepius paradoxus

Inking during copulation in Idiosepius hallami

Inking for predation in Idiosepius hallami

マダラヒメグモの交接その１

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)

Interruption of copulation by an intruding male

Copulation of Japanese Grass Lizards, interrupted by another male

Mating in the Japanese rice-fish (1)

Spitting of Japanese-bitterling eggs by the bivalve Anodonta woodiana

Mating Behavior of Typopeltis stimpsonii in the habitat

Larval picking behavior inducing stomodeal trophallaxis by workers in Reticulitermes speratus

Exchanging “aggressiver calls” in agonistic interaction of Kajika frog (Buergeria buergeri) :

Feeding of a pelican to gulls

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

シロスジカノコハエトリ C.ogatai オスによるメス死体への求愛・交接

Things Suspended in the Sky

Homosexual necrophilia in the Sand Martin

Homosexual necrophilia in the Sand Martin

よるのにしき

Yorunonishiki

Kimono, impression of "Les tierces alternees" in Debussy's Preludes

Parent-offspring vocal exchage of Amami rabbits

Typi in Apocalypsi Ioannis