National Audubon Society Pocket Guide to Familiar Birds of Sea and Shore by Simon Perkins (Small Format Paperback)
This compact guide introduces 80 of the most common species of birds encountered on the coasts and in the coastal waters of North America. They include birds that spend most of their lives at sea, such as albatrosses, shearwaters, and fulmars; a variety of gulls and terns; shorebirds like oystercatchers and sandpipers; herons and egrets; and waterfowl. In addition, you'll find tips on birding technique (including the use of binoculars and spotting scopes) and identification skills, as well as notes on conservation and more.