noun
booby; gannet
Refers to seabirds of the Sulidae family, especially the brown booby (Sula leucogaster). The term can also be used for gannets in a broader sense.
カツオドリは熱帯の海でよく見られる。
Boobies are often seen in tropical seas.
この島にはカツオドリの大規模な繁殖地がある。
This island has a large breeding colony of boobies.
The name カツオドリ (鰹鳥) literally means 'bonito bird', likely from the bird's habit of diving for fish similar to bonito. The exact derivation is uncertain.