Bonaparte's Gull

Chroicocephalus philadelphia

33 cm (13") Common. Summers in northern coniferous forests, winters on coasts, inshore waters, lakes, rivers, reservoirs. Pigeon-sized gull. Buoyant, tern-like flight shows flashy white wing tips. Black head, with broken white eye-ring; small black bill; white underparts and tail; gray mantle, with bold white wedge on upper wings, underside of wings pale; red legs.

Winter adult similar, but head white with small dark spot behind eye.

Song: tern-like "cheer".

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Bonaparte's Gull distribution map
Bonaparte's Gull distribution map
Bonaparte's Gull winter distribution map
Bonaparte's Gull winter distribution map