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to Colorado Birds
I would welcome suggestions for books on bird migration, including maps, not necessarily but preferably with information specific to Colorado.
willem van vliet--
Boulder
Tim Johnson
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Feb 15, 2018, 11:25:31 AM2/15/18
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We like the Atlas of Bird Migration edited by Jonathan Elphick, published by the Natural History Museum of the United Kingdom, 2007 or later. Lots of maps, but not specific to Colorado. Candice and Tim Johnson, Denver