574 



Birds of Colorado 



Shufeldt's Junco, 376 



Sialia, 526 



sialis, Sialia, 527 



sinuatiis, Corvus corax, 291 



Siskin, Pine, 346 



Sitta, 498 



Sittidae, 498 



Skua, Richardson's, 14 



Slate-coloured Fox-Sparrow, 390 



Slate-coloured Junco, 375 



Snipe, Wilson's, 109 



Snow-Bunting, 349 



Snow-Goose, 66 



Snow-Goose, Greater 67 



Snowy Egret, 85 



Snowy Owl, 210 



Solitaire, Townsend's, 515 



Somateria, 61 



Song-Sparrow, Eastern, 388 



Song-Sparrow, Mountain, 386 



Sora, 95 



Sparrow, Baird's, 358 



Sparrow, Brewer's. 372 



Sparrow, Cassin's, 384 



Sparrow, Clay-coloured, 371 



Sparrow, Desert, 382 

 Sparrow, English, 348 



Sparrow, Golden-crowned, 367 



Sparrow, Harris's, 363 



Sparrow, Intermediate or Gambel's, 



366 

 Sparrow, Leconte's, 361 

 Sparrow, Lincoln's, 388 

 Sparrow, Sage-, 383 

 Sparrow, Scott's, 385 

 Sparrow, Swamp, 390 

 Sparrow, Western Chipping, 369 

 Sparrow, Western Savannah, 357 

 Sparrow, White-crowned, 364 

 Sparrow, White-throated, 367 

 Sparrow-Hawk, American, 190 

 Sparrow-Hawk, Desert, 192 

 sparverius, Faloo, 190 

 Spatula, 45 

 Speotyto, 211 

 Sphyrapicus, 228 

 Spinus, 346 

 Spiza, 405 

 Spizella, 368 

 sponsa, Aix, 48 

 Spoonbill, Roseate, 74 

 Spotted Owl, 201 

 Spotted Sandpiper, 126 

 spurius. Icterus, 312 

 Spurred Towhee, 392 

 squamata, Callipepla, 141 

 Squatarola, 130 



squatarola, Squatarola, 130 



Steganopodes, 26 



Steganopus, 102 



Stelgidopteryx, 422 



stellaris, Cistothorus, 494 



Stellula, 256 



Stercorariidse, 13 



Stercorarius, 13 



Sterna, 22 



Stilt, Black -necked, 106 



Stilt Sandpiper, 112 



streperug, Chaulelasmus, 38 



striata, Dendroica, 455 



striatulus, Astur atricapillus, 173 



stricklandi, Loxia cvirvirostra, 334 



strigatus, Chondestes granunicus, 



361 

 Striges, 194 

 Strigidse, 197 

 Strix, 200 

 Sturnella, 309 

 Bubis, Progne, 413 

 Surf Scoter, 63 

 surinamensis, Hydrochelidon nigra, 



25 

 swainsoni, Buteo, 176 

 swainsoni, Hylocichla ustulata, 519 

 swainsoni, Vireosylva gilva, 433 

 Swainson's Hawk, 176 

 Swallow, Bank-, 422 

 Swallow, Barn-, 417 

 Swallow, Cliff-, 415 

 Swallow, Rough-winged, 423 

 Swallow, Tree-, 418 

 Swallow, Violet-green, 420 

 Swallow-tailed Kite, 165 

 Swamp- Sparrow, 390 

 Swan, Trumpeter, 72 

 Swan, Whistling, 72 

 Swift, Black, 248 

 Swift, White-throated, 250 

 Sylviida;, 509 



Tachycineta, 420 

 Tanager, Louisiana, 409 

 Tanager, Scarlet, 410 

 Tanager, Western, 409 

 Tanager, Western Summer, 411 

 Tangaridre, 408 

 Teal, Blue-winged, 43 

 Teal, Cinnamon, 44 

 Teal, Green-winged, 41 

 Telmatodytes, 495 

 Tennessee Warbler, 446 

 tephrocotis, Leucosticte, 336 

 Tern, Arctic, 24 

 Tern, Black, 25 



