xiv Birds of Colorado 



Histrionicus Mstrionicus, Colinus virginianus, Calli- 

 pepla squamata, Lophortyx calif orniciis (introduced), 

 Dendragapus obscurus, Bonasa u. umbelloides, Lagopus 

 leucurus, Tympanuchus americanus, Pedioccetes p. cam- 

 pestris, Centrocercus urophasianus, Meleagris g. merriami, 

 Archibuteo ferrugineus, Aquila chrysaetos, Haliceetus 

 leucocephalus, Aluco pratincola ?, Asio wilsonianiis, 

 Cryptoglaux acadicus, Otus a. maxwelUce, Oius a. aikeni 

 Otus flammeola, Bubo v. pallescens, Speotyto c. hypogcea, 

 Glaucidium gnoma, Geococcyx calif or nianus, Dry abates 

 V. monticola, Dryobates p. homorus, Dryobates s. bairdi, 

 Picoides a. dorsalis, Colaptes c. collaris, Otocoris a. 

 leucoloema, Pica p. hudsonia, Cyanocitta cristata, Cyano- 

 citta s. diademata, Aphelocoma woodhousei, Grades c. 

 capitalis, Corvus c. sin/uatus, Corvus cryptoleucus, Corvus 

 b. hesperis, Nucifraga Columbiana, Cyanocephalus 

 cyanocephalus, Hesperiphona v. moniana, Pinicola e. 

 montana, Carpodacus cassini, Carpodacus m. frontalis, 

 Loxia c. minor, L. c. strichlandi ?, Leucosticte australis, 

 Spinus pinus, Passer domesticus (introduced), J unco 

 aikeni ?, Junco caniceps, Pipilo f. mesoleucus , Bomby- 

 cilla cedrorum, Cinclus m. unicolor, Catherpes m. 

 conspersus, Thryomanes b. bairdi, Telmatodytes p. 

 plesius, Certhia f. montana, Sitta c. nelsoni, Siita 

 canadensis, Sitta pygmcea, Bceolophus griseus, Pen- 

 thestes a. septentrionalis, Penthestes gambeli, Psaltriparu^ 

 plumbeus, Begulus s. olivaceus, Myiadestes townsendi. 



(b) Summer residents migrating south in winter — 

 118, or about 30 per cent. : — 



Colymbus n. californicus, Podilymbus podiceps, Larus 

 delawarensis , Sterna forsteri, Hydrochelidon n. surinam- 

 ensis, Querquedula discors, Q. cyanoptera. Spatula 

 clypeata, Aix sponsa, Erismatura jamaicensis, Plegadis 

 guaraurui, Ixobrychus exilis, Ardea herodias, Egretta 



