black-billed 中文意思是什麼
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It also shows white crescents separating the grey from the black on the mid - primaries, apparently not shown by ring - billed
另外，問題鳥的中間幾根初級飛羽有弦月狀白色班紋分隔其黑色和灰色部分，明顯地環頸鷗不會有此特徵。 -
As a result, it estimates that 13 percent of the 243 migratory waterbirds found in the asia - pacific region are under threat. among them are the chinese crested tern, spoon - billed sandpiper and black - faced spoonbill. the first project to be funded will be a workshop of experts in the region
據估計，在亞太地區已知的243種遷徙水鳥中，其中13 %都受到惡劣環境的威脅，其中包括瀕危的黑咀端鳳頭燕鷗chinese crested tern勺咀鷸spoonbilled sandpiper以及黑臉琵鷺black - faced spoonbill 。
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