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

Agonistic interaction of Kajika frog (Buergeria buergeri) 2: escalated fighting

Advertisement call of Kajika Frog (Buergeria buergeri)

Long calls after fighting

The “fighting” between a Kajika frog and a speaker: playback experiment 1

Exchange of vocalization in the peregrine falcon Falco peregrinus

Agonistic behavior in Pugettia quadridens quadridens

Duet of long calls in black-tailed gull

Duetting of Green-backed Herons

Male-male agonistic behavior of Carrhotus xanthogramma

Male-male agonistic behavior of Sitticus penicillatus (2)

Male-male agonistic behavior of Sitticus penicillatus (3)

Male-male agonistic behavior of Sitticus penicillatus (1)

Calling behavior of Japanese tree frog

カワセミの鳴き交わし

Long calls of a pair after attacking against a intruder

Parent-offspring vocal exchage of Amami rabbits

A tree frog chirping back in response to the same species' chirps streaming from a cell phone

Territorial disputes of a monogamous butterflyfish

Inking during copulation in Idiosepius paradoxus

政転闘争をどう評価すべきか / われわれの闘争路線 / むすび

Mate feeding and egg brooding in the male peregrine falcon 1

The Disasters of War: They don't arrive in time

The Disasters of War: Sad presentiments of what must come to pass

反戦闘争と「三池の闘い」 / 生きた「しかばね」 / ぼくの家