COMMON TERN & ARCTIC TERN
COMMON TERN ✔Wings have dark wedges in primaries ✔Long wings, relatively short tail streamers ✔In flight, looks well balanced ✔Long orange-red bill with black tip ARCTIC TERN ✔Wings are very clean and translucent (lacking dark wedges) ✔Slightly shorter wings, very long tail streamers ✔In flight looks front heavy ✔Short, blood-red bill