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1·The knot is a dumpy, short-legged, wading bird.

滨鹬是一种矮胖的短脚涉禽。

2·Two endangered species of wading bird face extinction because of the changes.

由于这些变化，涉水鸟的两个濒危种类面临着灭绝。

3·The black-faced spoonbill is a large white wading bird with a distinctively shaped beak-looking like a spoon or a pi pa.

黑脸琵鹭是大型涉禽，身上长满白色羽饰，鸟喙形状独特，成匙状，又似琵琶。