black guillemot; tystie
A seabird species (Cepphus grylle) found in northern regions. The name is a specific ornithological term.
The black guillemot is often seen on Arctic coasts.
Katakana spelling is standard for this bird name.
Kanji spelling is rare and mainly used in ornithological contexts. The word is usually written in kana.
The name combines 羽白 (hajiro, 'white-winged') and 海鳩 (umibato, 'sea pigeon'), referring to the bird's white wing patches and pigeon-like appearance. The exact historical derivation is uncertain.