Agonistic behavior in Pugettia quadridens quadridens

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)

Male-male fighting behavior of the seed bug, Togo hemipterus

Agonistic behavior between females of domestic cats in the forest

Female-female fighting behavior of the Japanese horned beetle

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

Decorating behavior in Micippa platipes

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

Mating behavior in Arcuphantes iharai

Web-building behavior in Cyrtarachne akirai

Predation behavior in Coelotes kumejimanus

Predation behavior in Coelotes kumejimanus

Courtship behavior in the Cardinalfish, Apogon niger

Exporting behavior in a peacock mantis shrimp

Fighting behavior of three-spined stickleback Gasterosteus aculeatus released by its reflected image in a mirror

Web-breaking behavior in Poltys illepidus

ゼニタナゴの闘争行動

Predatory behavior in Robertus ogatai (Araneae: Theridiidae)

Greeting behavior in the messmate pipefish Corythoichthys haematopterus

Courtship behavior in the Rock Pigeon Columba livia

Bolas-building behavior in Ordgarius sexspinosus

Bolas-building behavior in Ordgarius hobsoni