Family ALAUDIDÆ. Larks.
| A.O.U. No. | COMMON NAME | SCIENTIFIC NAME | Page |
| [473] | Skylark | Alauda arvensis | A.V. |
| 474 | Horned Lark | Octocoris alpestris alpestris | [200] |
| 474a | Pallid Horned Lark | " " articola | [200] |
| 474b | Prairie Horned Lark | " " praticola | [200] |
| 474c | Desert Horned Lark | " " leucolæma | [201] |
| 474d | Texas Horned Lark | " " giraudi | [200] |
| 474e | California Horned Lark | " " actia | [201] |
| 474f | Ruddy Horned Lark | " " rubea | [201] |
| 474g | Streaked Horned Lark | " " strigata | [201] |
| 474h | Scorched Horned Lark | " " adusta | [201] |
| 474i | Dusky Horned Lark | " " merrilli | [201] |
| 474j | Sonora Horned Lark | " " pallida | [201] |
| 474k | Hoyt's Horned Lark | " " hoyti | [200] |
| 474l | Montezuma Horned Lark | " " occidentalis | [201] |
| 474m | Island Horned Lark | " " insularis | [201] |
Family CORVIDÆ. Crows, Jays, Magpies, etc.
| A.O.U. No. | COMMON NAME | SCIENTIFIC NAME | Page |
| 475 | Magpie | Pica pica hudsonia | [253] |
| 476 | Yellow-billed Magpie | " nuttalli | [253] |
| 477 | Blue Jay | Cyanocitta cristata cristata | [183] |
| 477a | Florida Blue Jay | " " florincola | [183] |
| 478 | Steller's Jay | " stelleri stelleri | [185] |
| 478a | Blue-fronted Jay | " " frontalis | [185] |
| 478b | Long-crested Jay | " " diademata | [185] |
| 478c | Black-headed Jay | " " annectens | [185] |
| 478d | Queen Charlotte Jay | " " carlottæ | [185] |
| 478e | Coast Jay | " " carbonacea | [298] |
| 479 | Florida Jay | Aphelocoma cyanea | [184] |
| 480 | Woodhouse's Jay | " woodhousei | [184] |
| 480.1 | Blue-eared Jay | " cyanotis | [184] |
| 480.2 | Texas Jay | " texana | [184] |
| 481 | California Jay | " californica californica | [184] |
| 481a | Xantus's Jay | " " hypoleuca | [184] |
| 481b | Belding's Jay | " " obscura | [184] |
| 481.1 | Santa Cruz Jay | " insularis | [184] |
| 482 | Arizona Jay | " sieberi arizonæ | [183] |
| 482a | Couch's Jay | " " couchi | [183] |
| 483 | Green Jay | Xanthoura luxuosa glaucescens | [185] |
| 484 | Canada Jay | Perisoreus canadensis canadensis | [252] |
| 484a | Rocky Mountain Jay | " " capitalis | [252] |
| 484b | Alaska Jay | " " fumifrons | [252] |
| 484c | Labrador Jay | " " nigricapillus | [252] |
| 485 | Oregon Jay | " " obscurus obscurus | [252] |
| 485a | Gray Jay | " " griseus | [252] |
| 486 | American Raven | Corvus corax sinuatus | [255] |
| 486a | Northern Raven | " " principalis | [255] |
| 487 | White-necked Raven | " cryptoleucus | [255] |
| 488 | American Crow | " brachyrhynchos brachyrhynchos | [255] |
| 488a | Florida Crow | " brachyrhnchos pascuus | [255] |
| 488b | Western Crow | " " hesperis | [304] |
| 489 | Northwestern Crow | " caurinus | [255] |
| 490 | Fish Crow | " ossifragus | [255] |
| [490.1] | Rook | " frugilegus | A.V. |
| [490.2] | Hooded Crow | " cornix | A.V. |
| 491 | Clarke's Crow | Nucifraga columbiana | [252] |
| 492 | Piñon Jay | Cyanocephalus cyanocephalus | [183] |
Family STURNIDÆ. Starlings.
| A.O.U. No. | COMMON NAME | SCIENTIFIC NAME | Page |
| [493] | Starling | Sturnus vulgaris | [253] |
Family ICTERIDÆ. Blackbirds, Orioles, etc.
| A.O.U. No. | COMMON NAME | SCIENTIFIC NAME | Page |
| 494 | Bobolink | Dolichonyx oryzivorus | [251] |
| 495 | Cowbird | Molothrus ater ater | [253] |
| 495a | Dwarf Cowbird | " " obscurus | [253] |
| 496 | Red-eyed Cowbird | Tangavius æneus involucratus | [253] |
| 496a | Bronzed Cowbird | " " æneus | [304] |
| 497 | Yellow-headed Blackbird | Xanthocephalus xanthocephalus | [199] |
| 498 | Red-winged Blackbird | Agelaius phœniceus phœniceus | [178] |
| 498a | Sonora Red-wing | " " sonoriensis | [178] |
| 498b | Bahama Red-wing | " " bryanti | [178] |
| 498c | Florida Red-wing | " " floridanus | [178] |
| 498d | Thick-billed Red-wing | " " fortis | [178] |
| 498e | San Diego Red-wing | " " neutralis | [178] |
| 498f | Northwestern Red-wing | " " caurinus | [178] |
| 498g | Vera Cruz Red-wing | " " richmondi | [298] |
| 499 | Bicolored Blackbird | " gubernator californicus | [179] |
| 500 | Tricolored Blackbird | " tricolor | [179] |
| 501 | Meadowlark | Sturnella magna magna | [199] |
| 501a | Rio Grande Meadowlark | " " hoopesi | [199] |
| 501c | Southern Meadowlark | " " argutula | [199] |
| 501.1 | Western Meadowlark | " neglecta | [199] |
| 503 | Audubon's Oriole | Icterus melanocephalus auduboni | [180] |
| 504 | Scott's Oriole | " parisorum | [186] |
| 505 | Sennett's Oriole | " cucullatus sennetti | [186] |
| 505a | Arizona Hooded Oriole | " " nelsoni | [186] |
| 506 | Orchard Oriole | " spurius | [206] |
| 507 | Baltimore Oriole | " galbula | [186] |
| 508 | Bullock's Oriole | " bullocki | [186] |
| 509 | Rusty Blackbird | Euphagus carolinus | [254] |
| 510 | Brewer's Blackbird | " cyanocephalus | [254] |
| 511 | Purple Grackle | Quiscalus quiscula quiscula | [254] |
| 511a | Florida Grackle | " " aglæus | [254] |
| 511b | Bronzed Grackle | " " æneus | [254] |
| 513 | Boat-tailed Grackle | Megaquiscalus major major | [254] |
| 513a | Great-tailed Grackle | " " macrourus | [254] |
Family FRINGILLIDÆ. Finches, Sparrows, etc.
| A.O.U. No. | COMMON NAME | SCIENTIFIC NAME | Page |
| 514 | Evening Grosbeak | Hesperiphona vespertina vespertina | [199] |
| 514a | Western Evening Grosbeak | " " montana | [199] |
| 515 | Pine Grosbeak | Pinicola enucleator leucura | [171] |
| 515a | Rocky Mt. Pine Grosbeak | " " montana | [171] |
| 515b | California Pine Grosbeak | " " californica | [171] |
| 515c | Alaska Pine Grosbeak | " " alascensis | [171] |
| 515d | Kadiak Pine Grosbeak | " " flammula | [171] |
| [516] | Cassin's Bullfinch | Pyrrhula cassini | A.V. |
| 517 | Purple Finch | Carpodacus purpureus purpureus | [171] |
| 517a | California Purple Finch | " " californicus | [171] |
| 518 | Cassin's Purple Finch | " cassini | [175] |
| 519 | House Finch | " mexicanus frontalis | [175] |
| 519b | San Lucas House Finch | " " ruberrimus | [175] |
| 519c | San Clemente House Finch | " " clementis | [175] |
| 520 | Guadalupe House Finch | " amplus | [175] |
| 520.1 | McGregor's House Finch | " mcgregori | [175] |
| 521 | American Crossbill | Loxia curvirostra minor | [173] |
| 521a | Mexican Crossbill | " " stricklandi | [173] |
| 522 | White-winged Crossbill | " leucoptera | [171] |
| 523 | Aleutian Rosy Finch | Leucosticte griseonucha | [179] |
| 524 | Gray-crowned Rosy Finch | " tephrocotis tephrocotis | [179] |
| 524a | Hepburn's Rosy Finch | " " littoralis | [179] |
| 525 | Black Rosy Finch | " atrata | [179] |
| 526 | Brown-capped Rosy Finch | " australis | [179] |
| 527 | Greenland Redpoll | Acanthis hornemanni hornemanni | [176] |
| 527a | Hoary Redpoll | " " exilipes | [176] |
| 528 | Redpoll | " linaria linaria | [176] |
| 528a | Holbœll's Redpoll | " " holbœlli | [176] |
| 528b | Greater Redpoll | " " rostrata | [176] |
| 529 | Goldfinch | Astragalinus tristis tristis | [192] |
| 529a | Pale Goldfinch | " " pallidus | [192] |
| 529b | Willow Goldfinch | " " salicamans | [192] |
| 530 | Arkansas Goldfinch | " psaltria psaltria | [192] |
| 530a | Green-backed Goldfinch | " " hesperophilus | [299] |
| 531 | Lawrence's Goldfinch | " lawrencei | [189] |
| [532] | Black-headed Goldfinch | Spinus notatus | A.V. |
| 533 | Pine Siskin | " pinus pinus | [225] |
| 534 | Snow Bunting | Plectrophenax nivalis nivalis | [211] |
| 534a | Pribilof Snow Bunting | " " townsendi | [211] |
| 535 | McKay's Snow Bunting | " hyperboreus | [211] |
| 536 | Lapland Longspur | Calcarius lapponicus lapponicus | [219] |
| 536a | Alaska Longspur | " " alascensis | [219] |
| 537 | Smith's Longspur | " pictus | [220] |
| 538 | Chestnut-collared Longspur | " ornatus | [218] |
| 539 | McCown's Longspur | Rhynchophanes mccowni | [218] |
| 540 | Vesper Sparrow | Poœcetes gramineus gramineus | [221] |
| 540a | Western Vesper Sparrow | " " confinis | [221] |
| 540b | Oregon Vesper Sparrow | " " affinis | [221] |
| 541 | Ipswich Sparrow | Passerculus princeps | [225] |
| 542 | Aleutian Savannah Sparrow | " sandwichensis sandwichensis | [223] |
| 542a | Savannah Sparrow | " sandwichensis savanna | [223] |
| 542b | Western Savannah Sparrow | " " alaudinus | [223] |
| 542c | Bryant's Sparrow | " " bryanti | [223] |
| 542d | Nevada Savannah Sparrow | " " nevadensis | [300] |
| 543 | Belding's Sparrow | " beldingi | [223] |
| 544 | Large-billed Sparrow | " rostratus rostratus | [223] |
| 544a | San Lucas Sparrow | " " guttatus | [223] |
| 544c | San Benito Sparrow | " " sanctorum | [224] |
| 545 | Baird's Sparrow | Ammodramus bairdi | [224] |
| 546 | Grasshopper Sparrow | " savannarum australis | [224] |
| 546a | Western Grasshopper Sparrow | Ammodramus savannarum bimaculatus | [224] |
| 546b | Florida Grasshopper Sparrow | " " floridanus | [224] |
| 547 | Henslow's Sparrow | Passerherbulus henslowi henslowi | [224] |
| 547a | Western Henslow's Sparrow | " " occidentalis | [224] |
| 548 | Leconte's Sparrow | " lecontei | [225] |
| 549 | Sharp-tailed Sparrow | " caudacutus | [225] |
| 549.1 | Nelson's Sparrow | " nelsoni nelsoni | [225] |
| 549.1a | Acadian Sharp-tailed Sparrow | " " subvirgatus | [225] |
| 550 | Seaside Sparrow | " maritimus maritimus | [226] |
| 550a | Scott's Seaside Sparrow | " " peninsulæ | [226] |
| 550b | Texas Seaside Sparrow | " " sennetti | [226] |
| 550c | Fisher's Seaside Sparrow | " " fisheri | [226] |
| 550d | Macgillivray's Seaside Sparrow | " " macgillivraii | [226] |
| 551 | Dusky Seaside Sparrow | " nigrescens | [226] |
| 552 | Lark Sparrow | Chondestes grammacus grammacus | [228] |
| 552a | Western Lark Sparrow | " " strigatus | [228] |
| 553 | Harris's Sparrow | Zonotrichia querula | [229] |
| 554 | White-crowned Sparrow | " leucophrys leucophrys | [227] |
| 554a | Gambel's Sparrow | " " gambeli | [227] |
| 554b | Nuttall's Sparrow | " " nuttalli | [227] |
| 557 | Golden-crowned Sparrow | " coronata | [227] |
| 558 | White-throated Sparrow | " albicollis | [227] |
| 559 | Tree Sparrow | Spizella monticola monticola | [222] |
| 559a | Western Tree Sparrow | " " ochracea | [222] |
| 560 | Chipping Sparrow | " passerina passerina | [222] |
| 560a | Western Chipping Sparrow | " " arizonæ | [222] |
| 561 | Clay-colored Sparrow | " pallida | [228] |
| 562 | Brewer's Sparrow | " breweri | [228] |
| 563 | Field Sparrow | " pusilla pusilla | [222] |
| 563a | Western Field Sparrow | " " arenacea | [222] |
| 564 | Worthen's Sparrow | " wortheni | [228] |
| 565 | Black-chinned Sparrow | " atrogularis | [219] |
| 566 | White-winged Junco | Junco aikeni | [240] |
| 567 | Slate-Colored Junco | " hyemalis hyemalis | [240] |
| 567a | Oregon Junco | " " oreganus | [241] |
| 567b | Shufeldt's Junco | " " connectens | [241] |
| 567c | Thurber's Junco | " " thurberi | [241] |
| 567d | Point Pinos Junco | " " pinosus | [241] |
| 567e | Carolina Junco | " " carolinensis | [240] |
| 567f | Montana Junco | " " montanus | [240] |
| 567g | Pink-sided Junco | Junco hyemalis mearnsi | [240] |
| 567h | Ridgway's Junco | " " annectens | [303] |
| 567i | Townsend's Junco | " " townsendi | [240] |
| 570 | Arizona Junco | " phæonotus palliatus | [241] |
| 570a | Red-backed Junco | " " dorsalis | [241] |
| 570b | Gray-headed Junco | " " caniceps | [241] |
| 571 | Baird's Junco | " bairdi | [240] |
| 572 | Guadalupe Junco | " insularis | [240] |
| 573 | Black-throated Sparrow | Amphispiza bilineata bilineata | [249] |
| 573a | Desert Black-throated Sparrow | " " deserticola | [249] |
| 574 | Bell's Sparrow | " belli | [228] |
| 574.1 | Sage Sparrow | " nevadensis nevadensis | [228] |
| 574.1a | Gray Sage Sparrow | " " cinerea | [228] |
| 574.1b | California Sage Sparrow | " " canescens | [300] |
| 575 | Pine-woods Sparrow | Peucæa æstivalis | [221] |
| 575a | Bachman's Sparrow | " " bachmani | [221] |
| 576 | Botteri's Sparrow | " botterii | [221] |
| 578 | Cassin's Sparrow | " cassini | [221] |
| 579 | Rufous-winged Sparrow | Aimophila carpalis | [220] |
| 580 | Rufous-crowned Sparrow | " ruficeps ruficeps | [220] |
| 580a | Scott's Sparrow | " " scotti | [220] |
| 580b | Rock Sparrow | " " eremœca | [220] |
| 580c | Laguna Sparrow | " " sororia | [220] |
| 581 | Song Sparrow | Melospiza melodia melodia | [229] |
| 581a | Desert Song Sparrow | " " fallax | [229] |
| 581b | Mountain Song Sparrow | " " montana | [229] |
| 581c | Heermann's Song Sparrow | " " heermanni | [229] |
| 581d | Samuel's Song Sparrow | " " samuelis | [230] |
| 581e | Rusty Song Sparrow | " " morphna | [230] |
| 581f | Sooty Song Sparrow | " " rufina | [230] |
| 581g | Brown's Song Sparrow | " " rivularis | [229] |
| 581h | Santa Barbara Song Sparrow | " " graminea | [230] |
| 581i | San Clemente Song Sparrow | " " clementæ | [230] |
| 581j | Dakota Song Sparrow | " " juddi | [229] |
| 581k | Merrill's Song Sparrow | " " merrilli | [229] |
| 581l | Alameda Song Sparrow | " " pusillula | [230] |
| 581m | San Diego Song Sparrow | " " cooperi | [230] |
| 581n | Yakutat Song Sparrow | " " caurina | [230] |
| 581o | Kenai Song Sparrow | " " kenaiensis | [230] |
| 581p | Mendocino Song Sparrow | " " cleonensis | [301] |
| 581q | Kadiak Song Sparrow | " " insignis | [230] |
| 581r | Aleutian Song Sparrow | Melospiza melodia sanaka | [230] |
| 581s | Suisun Song Sparrow | " " maxillaris | [300] |
| 583 | Lincoln's Sparrow | " lincolni lincolni | [226] |
| 583a | Forbush's Sparrow | " " striata | [226] |
| 584 | Swamp Sparrow | " georgiana | [222] |
| 585 | Fox Sparrow | Passerella iliaca iliaca | [231] |
| 585a | Shumagin Sparrow | " " unalaschcensis | [231] |
| 585b | Thick-billed Sparrow | " " megarhyncha | [231] |
| 585c | Slate-colored Sparrow | " " schistacea | [231] |
| 585d | Stephen's Sparrow | " " stephensi | [231] |
| 585e | Sooty Fox Sparrow | " " fuliginosa | [301] |
| 585f | Kadiak Fox Sparrow | " " insularis | [301] |
| 586 | Texas Sparrow | Arremonops rufivirgatus | [215] |
| 587 | Towhee | Pipilo erythrophthalmus erythrophthalmus | [204] |
| 587a | White-eyed Towhee | " erythrophthalmus alleni | [204] |
| 588 | Arctic Towhee | " maculatus arcticus | [204] |
| 588a | Spurred Towhee | " " montanus | [204] |
| 588b | Oregon Towhee | " " oregonus | [204] |
| 588c | San Clemente Towhee | " " clementæ | [204] |
| 588d | San Diego Towhee | " " megalonyx | [204] |
| 588e | Large-billed Towhee | " " magnirostris | [204] |
| 589 | Guadalupe Towhee | " consobrinus | [204] |
| 591 | Cañon Towhee | " fuscus mesoleucus | [205] |
| 591a | San Lucas Towhee | " " albigula | [205] |
| 591.1 | California Towhee | " crissalis crissalis | [205] |
| 591.1a | Anthony's Towhee | " " senicula | [205] |
| 592 | Abert's Towhee | " aberti | [205] |
| 592.1 | Green-tailed Towhee | Oreospiza chlorura | [206] |
| 593 | Cardinal | Cardinalis cardinalis cardinalis | [177] |
| 593a | Arizona Cardinal | " " superbus | [172] |
| 593b | San Lucas Cardinal | " " igneus | [172] |
| 593c | Gray-tailed Cardinal | " " canicaudus | [172] |
| 593d | Florida Cardinal | " " floridanus | [172] |
| 594 | Arizona Pyrrhuloxia | Pyrrhuloxia sinuata sinuata | [172] |
| 594a | Texas Pyrrhuloxia | " " texana | [172] |
| 594b | San Lucas Pyrrhuloxia | " " peninsulæ | [172] |
| 595 | Rose-breasted Grosbeak | Zamelodia ludoviciana | [174] |
| 596 | Black-headed Grosbeak | " melanocephala | [207] |
| 597 | Blue Grosbeak | Guiraca cærulea cærulea | [181] |
| 597a | Western Blue Grosbeak | Guiraca cærulea lazula | [181] |
| 598 | Indigo Bunting | Passerina cyanea | [181] |
| 599 | Lazuli Bunting | " amœna | [180] |
| 600 | Varied Bunting | " versicolor versicolor | [180] |
| 600a | Beautiful Bunting | " " pulchra | [180] |
| 601 | Painted Bunting | " ciris | [180] |
| 602 | Sharpe's Seed-eater | Sporophila morelleti sharpei | [249] |
| [603] | Grassquit | Tiaris bicolor | A.V. |
| [603.1] | Melodious Grassquit | " canora | A.V. |
| 604 | Dickcissel | Spiza americana | [198] |
| 605 | Lark Bunting | Calamospiza melanocorys | [252] |