Written and illustrated by David Allen Sibley, America's most widely respected bird illustrator and ornithologist, this Folding Guide offers instant access to just what backyard birdwatchers need to know. 73 backyard birds are covered, including descriptions, size, range, seasonal occurrence, and illustrations, all taken from the award-winningÂ The Sibley Guide to Birds, 2ndÂ Edition. TheÂ Rocky MountainÂ region is bordered by the Cascade and Sierra Nevada ranges on the west and the front range of the Rockies on the east. It includes portions of the following states: Washington, Oregon, Idaho, Montana, Wyoming, Colorado, New Mexico, Utah, and Nevada.
Dimensions are 0.10L x 4.00W x 9.00H.
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