Bonaparte`s Gull Flying And Feeding At Seaside. The Most Common Small Gull Through Most Of North America, Especially Inland. Breeding Adults Have A Black Head, Thin White Eye Arcs, Bright Red Legs, Light Gray Upperparts, And Black Wingtips. Note Distinctive Wing Pattern On Adults In Flight: White Wedge On The Leading Edge Of The Wing, With Small Black Tips On The Outer Wing Feathers. Nonbreeding Adults And Immatures Have Pinkish Legs And A Mostly White Head With Black Ear Spot. Immatures Are More Heavily Marked With Brown And Black On The Wings.

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adults america arcs black breeding bright brown common distinctive ear edge especially eye feathers flight gray gull head heavily immatures inland leading legs light marked mostly nonbreeding north note outer pattern pinkish red small spot thin tips upperparts wedge white wing wings wingtips