A definitive overview of the thirty-six species of North and South American gulls offers a close-up look at the diverse plumages displayed by gulls as they mature and detailed descriptions of each species and its behavior.
Dubois 2001; 4. Dubois and Yésou 1984; 5. Yésou 2002; 6. Cramp and Simmons 1983; 7. AOU 1998; 8. Yésou 1991; 9. Crochet et al. 2002; 10. de Knijff et al. 2001; 11. Klein and Buchheim 1997; 12. Liebers et al. 2001; 13. ABA 2002; 14.
Gulls of the Americas
Indeed, entire family monographs have been published in recent years (including one on owls and one on wrens, dippers, and thrashers) in which molt has not even been mentioned! Although molt may at first glance seem like an ...
Black flight feathers create extensive area of blackish in underwing, matching Lesser Black-backed Gull fuscus. Coquimbo, Chile. Nov. Hanne &Jens Eriksen. 155. 156. 157. 153. 154. Larus glaucescens (J. F. Naumann, ...
Gulls of the World takes on these challenges and is the first book to provide a comprehensive look at these birds.
Featuring hundreds of color photos throughout, Gulls Simplified illustrates the variations of gull plumages for a variety of ages, giving readers strong visual reference points for each species.
Flesch, A. D., and R. J. Steidl. 2007. Detectability and response rates of ferruginous pygmy-owls. Journal of Wildlife Management 71:981–990. ———. 2006. Population trends and implications for monitoring cactus ferruginous pygmy owls in ...
"A Guide to the Birds of Mexico and Northern Central America is astonishingly comprehensive, covering the identification, status, and distribution of all 1,070 birds species known from Mexico, Guatemala, Belize,...
With over 500 colour photos, detailed captions, and foldout comparison guides, this book allows readers to better appreciate these charismatic birds by learning shortcuts for easy identification in the field.
British Columbia's breeding Brewer Sparrows: Campbell, R., et al. 2001. The Birds of British Columbia. Vol. 4. Vancouver: UBC Press. White Lake and Richter Pass: Cannings, R., et al. 1987 Birds of the Okanagan Valley, British Columbia.