C^necl<=IUist of the Ipiras or Oregon 



Order GAVIIFORMES: Loons 



LOONS: Family Gaviidae. 



Lesser Loon Gavia immer elasson 64 



Pacific Loon Gavia arctica pacifica 67 



Red-throated Loon Gavia stellata 68 



Order COLYMBIFORMES: Grebes 



GREBES: Family Colymbidae. 



Holboell's Grebe Colymbus grisegena holboelli 70 



Horned Grebe Colymbus auritus 71 



Eared Grebe Colymbus nigricollis calif ornicus 71 



Western Grebe Aechmophorus occidentalis 75 



Pied-billed Grebe Podilymbus podiceps podiceps 77 



Order PROCELLARIIFORMES: Tube-nosed Swimmers 



ALBATROSSES: Family Diomedeidae. 



Black-footed Albatross Diomedea nigripes 80 



Short-tailed Albatross Diomedea albatrus 80 



SHEARWATERS AND FULMARS: Family Procellariidae. 



Slender-billed Shearwater Puffinus tenuirostris 81 



Sooty Shearwater Puffinus griseus 82. 



Pink-footed Shearwater Puffinus creatopus 83 



New Zealand Shearwater Thyellodroma bulleri 84 



Pacific Fulmar Fulmarus glacialis rodgersi 84 



STORM PETRELS: Family Hydrobatidae. 



Forked-tailed Petrel Oceanodroma furcata 86 



Seal's Petrel Oceanodroma leucorhoa beali 88 



Order PELECANIFORMES: Totipalmate Swimmers 



PELICANS: Family Pelecanidae. 



White Pelican Pelecanus erythrorhynchos 90 



California Brown Pelican Pelecanus occidentalis calif ornicus 93 



CORMORANTS: Family Phalacrocoracidae. 



Farallon Cormorant Phalacrocorax auritus albociliatus 94 



Brandt's Cormorant Phalacrocorax penicillatus 97 



Baird's Cormorant Phalacrocorax pelagicus resplendens 101 



MAN-'O-WAR-BIRDS: Family Fregatidae. 



Man-o'- war-bird Fregata magnificent 102. 



Order CICONIIFORMES: Herons, Ibises, and Allies 



HERONS, EGRETS, AND BITTERNS: Family Ardeidae. 



Treganza's Heron Ardea herodias tregan^ai 103 



California Heron Ardea herodias hyperonca 105 



[xix] 



