Keywords: Blue-winged Yellow Warbler (Audubon).jpg Plate 20 of Birds of America by John James Audubon depicting Blue-winged Yellow Warbler 20_Blue-winged_Yellow_Warbler jpg 2011-02-09 23 40 UTC 20_Blue-winged_Yellow_Warbler jpg creator John James Audubon derivative work Londonjackbooks <span class signature-talk >talk</span> crop and touch-up Londonjackbooks 20_Blue-winged_Yellow_Warbler jpg PD-old-100 Original upload log This image is a derivative work of the following images File 20_Blue-winged_Yellow_Warbler jpg licensed with Cc-pd-mark-footer PD-old 2009-12-10T20 36 23Z Mturtle 11168x16128 56430735 Bytes <nowiki> Birds of America - Complete Double Elephant folio http //digital library pitt edu/a/audubon/ 1827-1838 John James Audubon Author died more than 70 years ago - publi</nowiki> Uploaded with derivativeFX Ornithological Biography Vol I Audubon |