also: ぜんちちょう
noun
rhinoceros auklet; horn-billed puffin
A seabird species (Cerorhinca monocerata) found in the North Pacific. The name is usually written in katakana.
ウトウは北海道の沿岸で繁殖する海鳥です。
The rhinoceros auklet is a seabird that breeds along the coast of Hokkaido.
ウトウのくちばしには繁殖期に角のような突起が現れる。
During the breeding season, a horn-like projection appears on the rhinoceros auklet's beak.
Ateji kanji form; rarely used and likely unfamiliar to most readers.
Rarely used kana form reading for the ateji; included for search coverage.
The name ウトウ is likely onomatopoeic, imitating the bird's call. The kanji 善知鳥 is ateji and does not reflect the word's origin.