Verwendete Bestimmungshilfen:
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The Sibley eGuide to
Birds / App
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The Sibley Guide to
Birds, Second Edition, March 2014
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The Sibley Guide to Birds, zwölfte
Auflage, Februar 2011
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The Sibley Guide to Bird Life and Behavior, First Flexibind Edition, 2009
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The Sibley Field Guide to Birds of Eastern North America, First Edition,
2003, Third Printig, 2007
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Peterson Field Guide to Birds of
Eastern and Central North America, 5th Edition, 2002
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Peterson Field Guides: A Field Guide to
Western Birds, Third Edition, 1990
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Kaufman Field Guide to Birds of North America, 2000
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National Audubon Society Field Guide to Florida, First Edition, 1998
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National Audubon Society Field Guide to the Southwestern, First Edition, Eighth Printing, 2008
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Birding Hot Spots in Sarasota and Manatee Counties, Fourth Edition, 2008
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Der Kosmos Vogelführer: Alle Arten Europas,
Nordafrikas und Vorderasiens, 2. Auflage 2011
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Der Kosmos Vogelführer /
App