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Warblers Collection - http://worlddmc.ohiolink.edu/media/borror/blbLogin
Collection of about 4000 audio files (in RealPlayer format) of North American wood-warblers. |
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Master Guide to the Warbers of Canada - http://www.royalalbertamuseum.ca/vexhibit/warblers/
Identification guide covering each species of the Parulidae in Canada. |
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Sonographic Field Guide to Western Warblers - http://home.pacifier.com/~mpatters/archive/warbler/sonoguide.html
Sonographs of 12 warbler species. |
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Warblers Migrating - http://www.wbu.com/chipperwoods/photos/spwarb.htm
Photographs and a short text about warblers of North America. |