Jisho

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Wikipedia definition
1. SulidaeThe bird family Sulidae comprises the gannets and boobies. Collectively called sulids, they are medium-large coastal seabirds that plunge-dive for fish and similar prey. The ten species in this family are often considered congeneric in older sources, placing all in the genus Sula. However, Sula (true boobies) and Morus (gannets) can be readily distinguished by morphological and behavioral and DNA sequence characters.
Read “Sulidae” on English Wikipedia
Read “カツオドリ科” on Japanese Wikipedia
Read “Sulidae” on DBpedia

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