燕 - swallow (bird)

swallow (bird of the Hirundinidae family); martin

swallow chick

collared pratincole (Glareola pratincola); common pratincole

Protectorate General to Pacify the North (Tang-period Chinese office established in Inner Mongolia in 669 CE)

threadfin (any fish of family Polynemidae, esp. the striped threadfin, Polydactylus plebeius)

swallow-tailed kite (Elanoides forficatus)

small pratincole (Glareola lactea); little pratincole; small Indian pratincole

sand martin (Riparia riparia)

Later Yan (dynastic Chinese state)

Oriental pratincole (Glareola maldivarum); eastern collared pratincole; large Indian pratincole; swallow-plover

powdered oakblue (butterfly) (Narathura bazalus)

common house martin (species of songbird, Delichon urbica)