Eastern Trailside Birds - Peterson FlashGuides More than 100 species--all the most commonly seen birds along hiking trails of the eastern United States and Canada. Peterson FlashGuides are the most compact and convenient field guides ever made: slim as road maps and ideal for hikers, bikers, canoeists, or anyone who wants to travel light.
A thickly laminated quick quide to more than 100 species of birds along hiking trails. Shows both males AND females AND what they look like in flight. (why don't all bird books do this?)