「候鳥」

(pos:名詞)
<explanation>
yue:依照季節變更而遷移嘅雀鳥（量詞：隻）
eng:migratory bird; migrant
<eg>
yue:候鳥將禽流感傳到世界各地。 (hau6 niu5 zoeng1 kam4 lau4 gam2 cyun4 dou3 sai3 gaai3 gok3 dei6.)
eng:Migratory birds spread bird flu around the world.