(Contents 



Page 



Foreword vii 



Preface ix 



List of illustrations xv 



Check-list of the birds of Oregon xix 



Something about birds as a group i 



Activity 3 



Coloration 3 



Song 5 



Nest building 6 



Care of the young 7 



Migration 9 



Study of migration routes 9 



Birdbanding a factor in plotting routes 10 



Mortality among migrants 14 



Speed of flight 16 



Economic status 17 



Topography and life zones of Oregon n 



Topography n 



Life zones 18 



Upper Sonoran Zone 33 



Transition Zone 35 



Canadian Zone 38 



Hudsonian Zone 39 



Arctic-Alpine Zone 41 



Federal bird refuges in Oregon 41 



Malheur migratory bird refuge 41 



Three Arch Rocks and Cape Meares bird refuges 43 



Klamath Lake bird refuge 44 



Cold Springs and McKay Creek bird refuges 44 



Upper Klamath bird refuge 44 



Goat Island migratory bird refuge 44 



Hart Mountain antelope refuge 44 



History of Oregon ornithology 46 



First records by Lewis and Clark, 1805-06 46 



David Douglas, 1815-16 48 



Townsend and Nuttall (1834-36) and others 49 



Government surveys, 1855 51 



Bendire, Henshaw, Mearns, and others, 1871 to 1901 53 



Recent ornithological investigations 55 



Work by United States Biological Survey 56 



List of birds originally described from Oregon 59 



Annotated list of the birds of Oregon 63 



Order Gaviiformes : Loons 64 



Order Colymbiformes : Grebes 70 



Order Procellariiformes: Tube-nosed swimmers 80 



Order Pelecaniformes: Totipalmate swimmers 90 



Order Ciconiiformes: Herons, ibises, and allies 103 



Order Anseriformes: Ducks, geese, and swans in 



Order Falconiformes : Birds of prey 179 



[ xiii ] 



