Peterson reference guide to seawatching: eastern waterbirds in flight.
Boston: Houghton Mifflin, 2013. Octavo, dustwrapper, colour photographs, maps. Seawatching is the challenging act of identifying waterbirds in flight. Since more than one hundred different species can fly past an observation point, often at great speed or in tightly packed, mixed-species flocks, identification of these distant shapes can be a.... More