Arctic tern

US /ˈɑːrk.tɪk tɜːrn/
UK /ˈɑːrk.tɪk tɜːrn/
"Arctic tern" picture
1.

andorinha-do-mar-ártica

a seabird, Sterna paradisaea, that breeds in the Arctic and migrates to the Antarctic, having the longest migratory route of any bird

:
The Arctic tern has the longest migratory route of any bird.
O andorinha-do-mar-ártica tem a rota migratória mais longa de qualquer ave.
We spotted an Arctic tern during our expedition to the polar regions.
Avistamos um andorinha-do-mar-ártica durante nossa expedição às regiões polares.