Similar to 蟻浴

Wing

Comb (anatomy)

Ornithological Society of Japan

Gular skin

Notarium

Flight

Syrinx (bird anatomy)

Yamashina Institute for Ornithology

Chick (young bird)

Keel (bird anatomy)

Bird migration

Ethology

Behavioral sink

Yawn

Play (activity)

Allee effect

Ant mill

Threat

Westermarck effect