Index 



761 



Sitta carolinensis 694 



Sitta pusilla 696 



Sittidae 694 



Skua 288 



Skuas 286 



Skunk-head Coot (Duck) 345 



Snake Birds 307 



Snipe, English 397 



Snipe, Jack 397 



Snipe, Red-breasted 398 



Snipe, Stone 413 



Snipe, Western Red-breasted 



(see Long-billed Dowitcher) ... 399 



Snipe, Wilson's 397 



Snipes 395 



Snowbird 598 



Snow Bunting 579 



Snow Flake 579 



Solitaire, Townsend's 705 



Solitaires 705 



Somateria 342 



Somateria dresseri 342 



Somateria spectabilis 343 



Song Birds 540 



Sparrow, Bachman's 600 



Sparrow, Chipping 595 



Sparrow, Clay-colored 596 



Sparrow, English 570 



Sparrow, European Tree 571 



Sparrow, Field 597 



Sparrow, Fox 605 



Sparrow, Gambel's 592 



Sparrow, Golden-crowned 592 



Sparrow, Grasshopper 585 



Sparrow, Harris's 590 



Sparrow, Henslow's 586 



Sparrow, House 570 



Sparrow, Intermediate 592 



Sparrow, Lark 589 



Sparrow, Leconte's 586 



Sparrow, Lincoln's f . . . 602 



Sparrow, Xelson's Sharp-tailed.. 588 



Sparrow, Savanna 584 



Sparrow, Song 601 



Sparrow, Swamp 604 



Sparrow, Tree 594 



Sparrow, Vesper. ■. 583 



Sparrow, White-crowned 591 



Sparrow, White-throated 593 



Sparrow, Yellow-winged 585 



Sparrows 565 



Spatula 328 



Spatula clypeata 328 



Speckle-belly 350 



Sphyrapicus 515 



Sphyrapicus varius 515 



Spinus 578 



Spinus pinus 578 



Spinus tristis 577 



Spiza 613 



Spiza americana 613 



Spizella 594 



Spizella monticola 594 



Spizella pallida 596 



Spizella passerina 595 



Spizella pusilla 597 



Spizella socialis 595 



Spoon-bill (Duck) 328 



Spoonbill, Roseate 357 



Spoonbills 357 



Sprig-tail (Duck) 329 



Squatarola 425 



Squatarola squatarola 425 



Stake-dnver 363 



Steganopodes 307 



Steganopus 391 



Steganopus tricolor 391 



Stelgidopteryx 623 



Stelgidopteryx serripennis 623 



Stercorariidae 286 



Stercorarius 286 



Stercorarius longicaudus 287 



Stercorarius parasiticus 287 



Stercorarius pomarinus 286 



Sterna 299 



Sterna antillarum 303 



Sterna caspia 299 



Sterna forsteri 301 



Sterna hirundo 302 



Sterna maxima 300 



Sterna paradisaea 303 



Sterna tschegrava 299 



Steminae 297 



Stemula 303 



Stilt, Black-necked 394 



Stilts 392 



Storks 360 



Striges 484 



Strigidae 486 



Strix 489 



Strix pratincola 484 



Strix varia 489 



Stumella 557 



Stumella magna 557 



Stumella magna argutula 558 



Stumella neglecta 559 



Surf Birds 430 



Surf Scoter (Duck) 345 



Surnia 499 



Sumia ulula caparoch 499 



Swallow, Bank 622 



Swallow, Barn 620 



Swallow, Cliff 619 



Swallow, Northern Violet-green 622 



Swallow, Rough-winged 623 



Swallow, Tree 621 



Swallow, White-bellied 621 



Swallows 618 



Swan, Trumpeter 356 



Swan, Whistling 354 



Swans 316, 354 



Swift, Chimney 526 



Swifts 521, 525 



Swifts, Sharp-tailed 526 



Swimmers, Long- winged 286 



Swimmers. Totipalmate 307 



