i6 



Drew on the Vertical Range of Birds in Colorado. [January 



Upper Limit of range in — Breeds — 



87. 



SS. 

 89. 

 90. 

 91. 

 92. 

 93- 

 9f- 

 95- 

 9 5, 



97- 

 9 S. 

 99. 

 100. 



101. 

 103. 

 103. 

 104. 

 lOJ. 

 106. 

 107. 



10S. 

 109. 

 no. 



114. 

 115. 

 116. 

 117. 

 118. 

 119. 



120. 

 121. 

 122. 

 123. 

 124. 

 125. 

 126. 

 127. 

 I2S. 

 129. 

 130. 



133- 



! 3 + - 



*3S- 



136. 



'37- 

 «3S- 



139- 

 140. 



Carpodacus cassini 



Carpodacus frontalis 



Iv>xia cur vi rostra americana 



Loxia luucoptera 



Leucosticte tephrocotis 



Leucosticte tephrocotis littoralis 



Leucosticte atrata 



Leucosticte austialis 



^Egiothus linaria 



Astragalinus tristis 



Astragal inus psaltria 



Chrysomitris pinus 



Plectrophanes nivalis (Ridgzfay) 



Centroplianes lapponicus 



Centrophanes ornatus 



Rhyncophanes maccowni 



Centronyx bairdi 



Passerculus sandwichensis savanna 



Passerculus sandwichensis alaudinus 

 Pmecetes grainineus coniinis 

 Coturnicnlus passermus perpallidus 

 Chondestes grain micus strigatus 

 Z motrichia leucophrys 

 Z motrichia gatnbeli intermedia 



Spizella montaiia 



Spizella domestica arizona; 



Spizella pallida 



Spizella breweri 



J unco aikeni 



juuco hiemalis 



Junco oregonus 



Junco annectens 



"(unco caniceps 



Amphispiza belli (Ridgrvay) 



Amphispiza belli nevadensis 



Melospiza f'asciata iallax 



Melospiza lincolni 



Passerclla iliaca schistacea (Ridg.) 



Pipilo maculatus arcticus megalonyx 



Pipilo chlorurus 



Pipilo fuscus mesoleucus 



Pipilo aberti 



Zamelodia melanocephala 



Guiraca caerulea 



Passerina cyanea (Ridgway) 



Passerina aincena 



Cardinalis virginianus 



Spiza americana 



Calamospiza bicolor 



Dolichonyx oryzivorus 



Mnlothrus ater 



Xanthocephalus icterocephalus 



Agelasus phceiiiceus 



Sturnella neglecta 



Icterus spurius 



Icterus galbula 



Icterus bullocki 



Scolecophagus cyanocephalus 



Qiuscalus purpureus aeneus 



Corvus corax camivorus 



Corvus cvptoleucus 



Corvus frugivorus 



Picicorvus columbianus 



Gymnocitta cyanocephala 



Pica rustica hudsonica 



Cyanocitta stelleri macrolopha 



Aphelotoma woodhousei 



Perisoreus canadensis capitalis 



Eremopbila alpestris leucolsema 



* Plains. 



t Keeps near timber-line the year round. 



