storm petrel
noun
1- a small seabird of the open ocean, typically having blackish plumage and a white rump, and formerly believed to be a harbinger of bad weather(预示风暴的)海燕。
1.1
- Family Hydrobatidae: several genera and many species, e.g. Hydrobates pelagicus of the NE Atlantic and Mediterranean.水鸟科:数属, 多种, 例如东北大西洋和地中海的远洋海燕。