Arctic tern
A migratory seabird (Sterna paradisaea) known for its long-distance migration between the Arctic and Antarctic.
The Arctic tern is a bird that migrates between the North and South Poles.
Katakana spelling is standard for this bird name.
Kanji spelling is rare and mostly used in taxonomic or specialized contexts. The word is usually written in kana.
From 極 (kyoku, 'pole') + 鰺刺 (ajisashi, 'tern'). The exact derivation is uncertain, but the name reflects the bird's polar habitat.