Scaup-Greater Alaska
Scaup-Lesser Texas, Canada
Scoter-Surf California
Sea-Lion-Northern Alaska
Sea-Lion-Stellar Alaska
Shrike-Loggerhead Texas
Shrike-Northern-juvenile Alaska
Snake-Garter-Diablo-Range California
Snipe-Common New Mexico
Solitaire-Townsend's New Mexico
Sora Texas, Canada
Sparrow-Black-Throated Arizona, New Mexico
Sparrow-Bairds Canada
Sparrow-Botteri's Arizona
Sparrow-Chipping Arizona, New Jersey, New Mexico
Sparrow-Fox Washington
Sparrow-Grasshopper Canada
Sparrow-Lark Arizona, New Mexico, Canada
Sparrow-LeConte's Arizona, New Mexico, Canada
Sparrow-Lincoln's Alaska, Arizona
Sparrow-Rufous-Crowned Arizona
Sparrow-Rufous-Winged Arizona
Sparrow-Savannah California, Nova Scotia, Texas
Sparrow-Song Arizona, Nova Scotia
Sparrow-Swamp New Mexico
Sparrow-Vesper Canada
Sparrow-White-Crowned New Mexico
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