Japanese murrelet; crested murrelet
A small seabird (Synthliboramphus wumizusume) found in Japanese waters. The name is usually written in katakana.
The Japanese murrelet is a species endemic to Japan.
Breeding of the Japanese murrelet was confirmed on the Izu Islands.
Katakana spelling is standard for this bird name; usually written in kana.
Kanji form exists but is rarely used; the bird is almost always written in kana.
The name combines 冠 (かんむり, 'crest') + 海雀 (うみすずめ, 'sea sparrow', an old name for auks or murrelets). The exact derivation is uncertain, but it describes the bird's crested appearance.