Invertebrates, such as worms, are the main diet of these water birds.

无脊椎动物，如软体虫，是这些水鸟的主要食物。

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Invertebrates, such as worms, are the main diet of these water birds.

无脊椎动物，如软体虫，是这些水鸟的主要食物。

youdao