110 
36. 
37. 
38. 
39. 
40. 
41. 
42. 
43. 
44. 
45. 
46. 
throughout the year, and to breed there. 
the winter. 
PACIFIC COAST AVIFAUNA 
Carpodacus mexicanus clementis 
Loxia curvirostra stricklandi 
Astragalinus psaltria hesperophilus 
Astragalinus lawrencei 
Spizella passerina arizonae 
Amphispiza belli 
Aimophila ruficeps ruficeps 
Melospiza melodia graminea 
Melospiza melodia clementae 
Pipilo maculatus clementae 
Pipilo maculatus megalonyx 
No. 12 
Lanius ludovicianus anthonyi 
Vireo huttoni huttoni 
Vermivora celata sordida 
Mimus polyglottos leucopterus 
Salpinctes obsoletus obsoletus 
Salpinctes obsoletus pulverius 
Thryomanes bewicki charienturus 
Thryomanes leucophrys 
Sitta canadensis 
Psaltriparus minimus minimus 
The above is a list of species that are supposed to be found on the islands 
Vermivora c. sordida, however, is only 
partly resident, as a great many individuals migrate to the adjacent mainland for 
O. socorroensis is probably resident, but this is not absolutely cer- 
tain. In addition to the above, there is the following list of birds which, although 
breeding, some to the north, and some to the south of the region treated, and 
common only when not engaged in the rearing of young in other localities, may 
nevertheless be encountered upon the islands during all parts of the year. 
em Co bo eR 
— 
ao 
—~ oO 
ie ho 
Larus heermanni 
Sterna maxima 
Diomedea nigripes 
Diomedea albatrus 
gal Go: Gx 
eo 
Puffinus griseus 
Heteractitis incanus 
Actitis macularia 
Arenaria melanocephala 
WINTER VISITANTS 
Aechmophorus occidentalis 
Colymbus auritus 
Colymbus nigricollis californicus 
Podilymbus podiceps 
Gavia immer 
Gavia pacifica 
Gavia stellata 
Cerorhinca monocerata 
Synthliboramphus antiquus 
Rissa tridactyla pollicaris 
Larus glaucescens 
Larus argentatus 
Larus californicus 
Larus delawarensis 
Larus brachyrhynchus 
Sterna forsteri 
Fulmarus glacialis glupischa 
Puffinus creatopus 
Puffinus opisthomelas 
Oceanodroma kaedingi 
Mergus serrator 
Oidemia americana 
Oidemia deglandi 
Oidemia perspicillata 
Chen hyperboreus hyperboreus 
49. 
Anser albifrons gambeli 
Calidris leucophaea 
Oxyechus vociferus 
Podasocys montanus 
Accipiter velox 
Falco columbarius columbarius 
Ceryle alcyon 
Sphyrapicus ruber ruber 
Sayornis sayus 
Passerculus sandwichensis alaudinus 
Zonotrichia leucophrys gambeli 
Zonotrichia coronata 
Junco hyemalis thurberi 
Passerella iliaca unalaschcensis 
Passerella iliaca megarhyncha 
Passerella iliaca stephensi 
Passerella iliaca insularis 
Bombycilla cedrorum 
Dendroica coronata 
Dendroica auduboni auduboni 
Anthus rubescens 
Regulus calendula calendula 
Hylocichla guttata guttata 
Planesticus migratorius propinquus 
Ixoreus naevius meruloides 
