Boston: Houghton Mifflin, 1997. Small octavo, colour photographs, maps, fine copy in dustwrapper. More

Boston: Houghton Mifflin, 2007. Octavo, colour photographs, maps, fine copy in dustwrapper. Peterson Reference Guide. An authoritative reference guide covers the 36 species of gulls that occur in North and South America, contains 1,160 photographs illustrating the many plumages gulls display as they mature, and provides descriptions by two of..... More