(bird species of China) gull-billed tern (Gelochelidon nilotica)

gull; seagull

(bird species of China) little gull (Hydrocoloeus minutus)

(bird species of China) Pallas's gull (Ichthyaetus ichthyaetus)

(bird species of China) laughing gull (Leucophaeus atricilla)

(bird species of China) relict gull (Ichthyaetus relictus)