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首页> 外文期刊>Florida field naturalist: a semi-annual journal of the Florida Ornithological Society >LAUGHING GULLS (Leucophaeus atricilla) APPEAR TO 'TREAD' FOR TINY CRUSTACEANS IN SARGASSUUM WEED (Sargassum sp.) WASHED ASHORE FROM THE GULF OF MEXICO
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LAUGHING GULLS (Leucophaeus atricilla) APPEAR TO 'TREAD' FOR TINY CRUSTACEANS IN SARGASSUUM WEED (Sargassum sp.) WASHED ASHORE FROM THE GULF OF MEXICO

机译：笑脸鸥（Leucophaeus atricilla）似乎“踩踏”了香脂草（Sargassum sp。）中微小的甲壳类动物。

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摘要

Laughing Gulls (Leucophaeus atricilla) forage opportunistically along beaches, bays, and mudflats and in waste dumps, pastures, shopping malls, golf courses, and lawns. They feed on garbage, steal from other seabirds, cadge handouts from people, and even capture flying insects (Burger 1996). This adaptability carries over to the marine organisms that constitute their principal foods, which vary from fishes too large to be swallowed and must be picked apart to barely visible eggs, developing embryos, and minute interstitial invertebrates buried under several centimeters of intertidal sand. That they might also consume tiny crustaceans resident in seaweeds that float ashore has not, to my knowledge, been reported, nor is their apparent method of obtaining them ordinary.
机译：笑鸥（Leucophaeus atricilla）在海滩，海湾和泥滩上以及垃圾场，牧场，购物中心，高尔夫球场和草坪中机会性地觅食。它们以垃圾为食，从其他海鸟那里偷走，从人身上汲取粪便，甚至捕获飞行中的昆虫（Burger 1996）。这种适应性延续到构成其主要食物的海洋生物，从太大而不能被吞食的鱼到必须被分离成几乎看不见的卵，正在发育的胚胎以及埋在几厘米厚的潮间带沙中的微小间隙无脊椎动物。据我所知，据报道，它们还可能会食用漂浮在岸上的海藻中的微小甲壳类动物，也没有得到它们的普通方法。

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