To prepare for the onslaught of warblers, here are the Quick Guides from Princeton University Press's Warbler Guide, free to download: PDFs: http://blog.press.princeton.edu/wp-content/uploads/2013/07/QuickFinderSet.zip JPGs: http://blog.press.princeton.edu/wp-content/uploads/2013/07/QuickFinderJPGs.zip And they offer (also free to download) an additional tip sheet on aging and sexing warblers. http://blog.press.princeton.edu/2013/10/04/kick-your-warbler-id-skills-up-a-notch-with-this-free-tip-sheet-on-aging-and-sexing/ Laminate Away! If any of the URLs (in particular, the last) get line-wrapped, you may have to cut and paste to get it back together. BB, Hutch Lebanon, Russell County, VA