INDEX 



Salpinctes obsoletus obsoletus, 592. 

 Sand Martin, 578. 

 Sandpiper, Baird's, 487. 

 Sandpiper, Bartramian, 488. 

 Sandpiper, Least, 488. 

 Sandpiper, Semi-palmated, 487. 

 Sandpiper, Spotted, 488. 

 Sandpiper, Stilt, 487. 

 Sandpiper, Western Solitary, 488. 

 Sandpiper, White-rumped, 487. 

 Sapsucker, Red-naped, 517. 

 Sapsucker, Williamson's, 517. 

 Sayornis sayus, 527. 

 Scoter, White-winged, 480. 

 Seiurus aurocapillus, 586. 

 Selasphorus platycercus, 523. 

 Selasphorus rufus, 523. 

 Setophaga ruticilla, 587. 

 Sheldrake, 478. 

 Shoveller, 479. 

 Shrike, Northern, 580. 

 Shrike, White-rumped, 580. 

 Sialia currucoides, 602. 

 Sialia mexicana bairdi, 602. 

 Sialia sialis sialis, 602. 

 Siskin, Pine, 559. 

 Sitta canadensis, 495. 

 Sitta carolinensis nelsoni, 495. 

 Sitta pygmaea, 495. 

 Snipe, Jack, 486. 

 Snipe, Wilson's, 486. 

 Solitaire, Townsend's, 599. 

 Sora, 484. 



Sparrow, Baird's, 563. 

 Sparrow, Brewer's, 567. 

 Sparrow, Clay-colored, 567. 

 Sparrow, Dakota Song, 572. 

 Sparrow, English, 560. 

 Sparrow, Gambel's, 565. 

 Sparrow, Harris's, 564. 



Sparrow, House, 560. 

 Sparrow, Lincoln's, 572. 

 Sparrow, Mountain Song, 57L 

 Sparrow, Swamp, 572. 

 Sparrow, Western Chipping, 566. 

 Sparrow, Western Grasshopper, 



564. 

 Sparrow, Western Lark, 564. 

 Sparrow, Western Savannah, 562. 

 Sparrow, Western Tree, 566. 

 Sparrow, Western Vesper, 562. 

 Sparrow, White-crowned, 564. 

 Spatula clypeata, 479. 

 Speotyto cunicularia hypogaea, 511. 

 Sphyrapicus thyroideus, 517. 

 Sphyrapicus varius nuchalis, 517. 

 Spinus pinus, 559. 

 Spiza americana, 575. 

 Spizella breweri, 567. 

 Spizella monticola ochracea, 566. 

 Spizella pallida, 567. 

 Spizella passerina arizonse, 566. 

 Spoonbill, 479. 

 Squatarola squatarola, 489. 

 Steganopus tricolor, 484. 

 Stelgidopteryx serripennis, 579. 

 Stellula calliope, 524. 

 Sterna forsteri, 477. 

 Strix occidentalis occidentalis, 506. 

 Sturnella neglecta, 543. 

 Swallow, Bank, 578. 

 Swallow, Barn, 578. 

 Swallow, Cliff, 577. 

 Swallow, Eave, 577. 

 Swallow, Rough-winged, 579. 

 Swallow, Tree, 578. 

 Swallow, Violet-green, 578. 

 Swan, Whistling, 481. 

 Swift, 504. 

 Swift, White-throated,. 521. 



Tachycineta thalassina lepida, 578. 

 Tanager, Louisiana, 577. 



Tanager, Scarlet, 577. 

 Tanager, Western, 577. 



