A Reference Guide to Gulls of the AmericasHoughton Mifflin Harcourt, 2007 - 516 pagina's This new 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 North America's top gull experts. |
Inhoudsopgave
Acknowledgments 493 | 3 |
Redlegged Kittiwake Rissa brevirostris 33 Glaucouswinged Gull Larus glaucescens | 9 |
PRIMITIVE WHITEHEADED GULLS H5 Thayers Gull KumliensIceland Gull | 16 |
SMALL WHITEHEADED GULLS H10 Glaucous Gull Great Blackbacked Gull | 342 |
Genus Larus in part H11 Glaucous Gull European Herring Gull | 376 |
Veelvoorkomende woorden en zinsdelen
ADULT BREEDING Adult Cycle ADULT NONBREEDING Alaska alternate plumage AMERICAN HERRING GULL averages basic plumage black distal black wingtips bleached brownish CALIFORNIA GULL Coast compare with photo Complete PB molt contrasting dark brown darker distal band distinct European Herring Gull eyes feathers features as photo FIRST-CYCLE flesh pink GLAUCOUS GULL GLAUCOUS-WINGED GULL gonydeal greater coverts GULL HYBRID head and neck hood Iceland Gull inner primaries juvenal JUVENILE KELP GULL KUMLIEN'S GULL LESSER BLACK-BACKED GULL mainly medium gray Mew Gull mottling Note same features orbital ring outer primaries overall PA1 molt pale gray paler panel on inner pink legs pinkish primary coverts rarely relatively scapulars SECOND-CYCLE secondaries SLATY-BACKED GULL Steve N. G. Howell stouter bill streaking subterminal band tail band tertials THAYER'S GULL THIRD-CYCLE typically uppertail coverts upperwing coverts variable VEGA GULL Western Gull white tips white trailing edge whitish wing projection wingtip pattern winter yellow YELLOW-FOOTED GULL YELLOW-LEGGED GULL