Bruce Kerr: North and Middle America Life List AOU, All records: Top Blockers Record(s) 1 to 357 of 357 total.
Seq.,Species,Scientific Name,Seen By Other Listers,Other Listers (%)
1,Snow Goose,Anser caerulescens,51,46.36
2,Brant,Branta bernicla,48,43.64
3,Canada Goose,Branta canadensis,78,70.91
4,Mute Swan,Cygnus olor,55,50.00
5,Trumpeter Swan,Cygnus buccinator,37,33.64
6,Wood Duck,Aix sponsa,70,63.64
7,Blue-winged Teal,Spatula discors,67,60.91
8,Cinnamon Teal,Spatula cyanoptera,43,39.09
9,Northern Shoveler,Spatula clypeata,72,65.45
10,Gadwall,Mareca strepera,61,55.45
11,American Wigeon,Mareca americana,63,57.27
12,Mallard,Anas platyrhynchos,45,40.91
13,Mexican Duck,Anas diazi,9,8.18
14,American Black Duck,Anas rubripes,51,46.36
15,Northern Pintail,Anas acuta,60,54.55
16,Green-winged Teal,Anas crecca,56,50.91
17,Canvasback,Aythya valisineria,53,48.18
18,Redhead,Aythya americana,53,48.18
19,Ring-necked Duck,Aythya collaris,59,53.64
20,Greater Scaup,Aythya marila,41,37.27
21,Lesser Scaup,Aythya affinis,59,53.64
22,Common Eider,Somateria mollissima,32,29.09
23,Surf Scoter,Melanitta perspicillata,52,47.27
24,Black Scoter,Melanitta americana,38,34.55
25,Bufflehead,Bucephala albeola,58,52.73
26,Barrow's Goldeneye,Bucephala islandica,30,27.27
27,Hooded Merganser,Lophodytes cucullatus,59,53.64
28,Common Merganser,Mergus merganser,56,50.91
29,Red-breasted Merganser,Mergus serrator,63,57.27
30,Ruddy Duck,Oxyura jamaicensis,59,53.64
31,Scaled Quail,Callipepla squamata,19,17.27
32,California Quail,Callipepla californica,41,37.27
33,Gambel's Quail,Callipepla gambelii,30,27.27
34,Wild Turkey,Meleagris gallopavo,58,52.73
35,Ruffed Grouse,Bonasa umbellus,30,27.27
36,Pied-billed Grebe,Podilymbus podiceps,77,70.00
37,Horned Grebe,Podiceps auritus,39,35.45
38,Eared Grebe,Podiceps nigricollis,48,43.64
39,Western Grebe,Aechmophorus occidentalis,49,44.55
40,Clark's Grebe,Aechmophorus clarkii,30,27.27
41,Rock Pigeon,Columba livia,74,67.27
42,Band-tailed Pigeon,Patagioenas fasciata,46,41.82
43,Eurasian Collared-Dove,Streptopelia decaocto,51,46.36
44,Spotted Dove,Streptopelia chinensis,17,15.45
45,Zebra Dove,Geopelia striata,11,10.00
46,Inca Dove,Columbina inca,53,48.18
47,Common Ground Dove,Columbina passerina,64,58.18
48,White-winged Dove,Zenaida asiatica,59,53.64
49,Mourning Dove,Zenaida macroura,86,78.18
50,Greater Roadrunner,Geococcyx californianus,40,36.36
51,Lesser Nighthawk,Chordeiles acutipennis,42,38.18
52,Chimney Swift,Chaetura pelagica,65,59.09
53,White-throated Swift,Aeronautes saxatalis,41,37.27
54,Rivoli's Hummingbird,Eugenes fulgens,19,17.27
55,Ruby-throated Hummingbird,Archilochus colubris,61,55.45
56,Black-chinned Hummingbird,Archilochus alexandri,37,33.64
57,Anna's Hummingbird,Calypte anna,49,44.55
58,Costa's Hummingbird,Calypte costae,29,26.36
59,Calliope Hummingbird,Selasphorus calliope,28,25.45
60,Rufous Hummingbird,Selasphorus rufus,47,42.73
61,Broad-tailed Hummingbird,Selasphorus platycercus,24,21.82
62,Broad-billed Hummingbird,Cynanthus latirostris,17,15.45
63,Violet-crowned Hummingbird,Ramosomyia violiceps,20,18.18
64,Ridgway's Rail,Rallus obsoletus,12,10.91
65,Virginia Rail,Rallus limicola,34,30.91
66,Common Gallinule,Gallinula galeata,49,44.55
67,American Coot,Fulica americana,72,65.45
68,Sandhill Crane,Antigone canadensis,58,52.73
69,Black-necked Stilt,Himantopus mexicanus,59,53.64
70,American Avocet,Recurvirostra americana,52,47.27
71,American Oystercatcher,Haematopus palliatus,53,48.18
72,Black-bellied Plover,Pluvialis squatarola,69,62.73
73,Pacific Golden-Plover,Pluvialis fulva,19,17.27
74,Killdeer,Charadrius vociferus,80,72.73
75,Semipalmated Plover,Charadrius semipalmatus,62,56.36
76,Piping Plover,Charadrius melodus,40,36.36
77,Snowy Plover,Charadrius nivosus,32,29.09
78,Marbled Godwit,Limosa fedoa,53,48.18
79,Sanderling,Calidris alba,69,62.73
80,Dunlin,Calidris alpina,53,48.18
81,White-rumped Sandpiper,Calidris fuscicollis,25,22.73
82,Pectoral Sandpiper,Calidris melanotos,39,35.45
83,Semipalmated Sandpiper,Calidris pusilla,46,41.82
84,Western Sandpiper,Calidris mauri,56,50.91
85,Short-billed Dowitcher,Limnodromus griseus,59,53.64
86,Long-billed Dowitcher,Limnodromus scolopaceus,46,41.82
87,Wilson's Snipe,Gallinago delicata,48,43.64
88,Spotted Sandpiper,Actitis macularius,71,64.55
89,Solitary Sandpiper,Tringa solitaria,51,46.36
90,Lesser Yellowlegs,Tringa flavipes,62,56.36
91,Willet,Tringa semipalmata,67,60.91
92,Greater Yellowlegs,Tringa melanoleuca,64,58.18
93,Pomarine Jaeger,Stercorarius pomarinus,22,20.00
94,Black-legged Kittiwake,Rissa tridactyla,33,30.00
95,Bonaparte's Gull,Chroicocephalus philadelphia,53,48.18
96,Laughing Gull,Leucophaeus atricilla,77,70.00
97,Heermann's Gull,Larus heermanni,46,41.82
98,Short-billed Gull,Larus brachyrhynchus,20,18.18
99,Ring-billed Gull,Larus delawarensis,78,70.91
100,Western Gull,Larus occidentalis,44,40.00
101,California Gull,Larus californicus,51,46.36
102,Herring Gull,Larus argentatus,73,66.36
103,Iceland Gull,Larus glaucoides,22,20.00
104,Glaucous-winged Gull,Larus glaucescens,39,35.45
105,Great Black-backed Gull,Larus marinus,46,41.82
106,Least Tern,Sternula antillarum,47,42.73
107,Caspian Tern,Hydroprogne caspia,63,57.27
108,Common Tern,Sterna hirundo,48,43.64
109,Forster's Tern,Sterna forsteri,58,52.73
110,Royal Tern,Thalasseus maximus,70,63.64
111,Red-throated Loon,Gavia stellata,35,31.82
112,Pacific Loon,Gavia pacifica,41,37.27
113,Common Loon,Gavia immer,59,53.64
114,Northern Fulmar,Fulmarus glacialis,19,17.27
115,Sooty Shearwater,Ardenna grisea,30,27.27
116,Manx Shearwater,Puffinus puffinus,12,10.91
117,Northern Gannet,Morus bassanus,36,32.73
118,Brandt's Cormorant,Urile penicillatus,42,38.18
119,Pelagic Cormorant,Urile pelagicus,44,40.00
120,Great Cormorant,Phalacrocorax carbo,28,25.45
121,Double-crested Cormorant,Nannopterum auritum,80,72.73
122,Neotropic Cormorant,Nannopterum brasilianum,52,47.27
123,American White Pelican,Pelecanus erythrorhynchos,64,58.18
124,Brown Pelican,Pelecanus occidentalis,83,75.45
125,Least Bittern,Ixobrychus exilis,34,30.91
126,Great Blue Heron,Ardea herodias,88,80.00
127,Great Egret,Ardea alba,80,72.73
128,Snowy Egret,Egretta thula,80,72.73
129,Green Heron,Butorides virescens,76,69.09
130,Black-crowned Night-Heron,Nycticorax nycticorax,68,61.82
131,California Condor,Gymnogyps californianus,15,13.64
132,Black Vulture,Coragyps atratus,76,69.09
133,Turkey Vulture,Cathartes aura,87,79.09
134,Osprey,Pandion haliaetus,82,74.55
135,Golden Eagle,Aquila chrysaetos,44,40.00
136,Northern Harrier,Circus hudsonius,67,60.91
137,Sharp-shinned Hawk,Accipiter striatus,55,50.00
138,Cooper's Hawk,Accipiter cooperii,67,60.91
139,American Goshawk,Accipiter atricapillus,11,10.00
140,Bald Eagle,Haliaeetus leucocephalus,82,74.55
141,Gray Hawk,Buteo plagiatus,35,31.82
142,Red-shouldered Hawk,Buteo lineatus,63,57.27
143,Swainson's Hawk,Buteo swainsoni,38,34.55
144,Zone-tailed Hawk,Buteo albonotatus,31,28.18
145,Red-tailed Hawk,Buteo jamaicensis,82,74.55
146,Ferruginous Hawk,Buteo regalis,24,21.82
147,Great Horned Owl,Bubo virginianus,51,46.36
148,Burrowing Owl,Athene cunicularia,33,30.00
149,Belted Kingfisher,Megaceryle alcyon,81,73.64
150,Lewis's Woodpecker,Melanerpes lewis,24,21.82
151,Acorn Woodpecker,Melanerpes formicivorus,50,45.45
152,Gila Woodpecker,Melanerpes uropygialis,28,25.45
153,Red-bellied Woodpecker,Melanerpes carolinus,69,62.73
154,Williamson's Sapsucker,Sphyrapicus thyroideus,19,17.27
155,Yellow-bellied Sapsucker,Sphyrapicus varius,63,57.27
156,Red-naped Sapsucker,Sphyrapicus nuchalis,26,23.64
157,American Three-toed Woodpecker,Picoides dorsalis,24,21.82
158,Downy Woodpecker,Dryobates pubescens,72,65.45
159,Ladder-backed Woodpecker,Dryobates scalaris,43,39.09
160,Hairy Woodpecker,Dryobates villosus,67,60.91
161,Arizona Woodpecker,Dryobates arizonae,20,18.18
162,Northern Flicker,Colaptes auratus,73,66.36
163,Gilded Flicker,Colaptes chrysoides,19,17.27
164,Crested Caracara,Caracara plancus,50,45.45
165,American Kestrel,Falco sparverius,79,71.82
166,Peregrine Falcon,Falco peregrinus,68,61.82
167,Prairie Falcon,Falco mexicanus,31,28.18
168,Rosy-faced Lovebird,Agapornis roseicollis,3,2.73
169,Dusky-capped Flycatcher,Myiarchus tuberculifer,40,36.36
170,Ash-throated Flycatcher,Myiarchus cinerascens,35,31.82
171,Great Crested Flycatcher,Myiarchus crinitus,60,54.55
172,Brown-crested Flycatcher,Myiarchus tyrannulus,36,32.73
173,Cassin's Kingbird,Tyrannus vociferans,30,27.27
174,Thick-billed Kingbird,Tyrannus crassirostris,18,16.36
175,Western Kingbird,Tyrannus verticalis,48,43.64
176,Eastern Kingbird,Tyrannus tyrannus,58,52.73
177,Olive-sided Flycatcher,Contopus cooperi,39,35.45
178,Western Wood-Pewee,Contopus sordidulus,42,38.18
179,Eastern Wood-Pewee,Contopus virens,52,47.27
180,Yellow-bellied Flycatcher,Empidonax flaviventris,33,30.00
181,Alder Flycatcher,Empidonax alnorum,27,24.55
182,Willow Flycatcher,Empidonax traillii,39,35.45
183,Least Flycatcher,Empidonax minimus,45,40.91
184,Hammond's Flycatcher,Empidonax hammondii,28,25.45
185,Dusky Flycatcher,Empidonax oberholseri,25,22.73
186,Western Flycatcher,Empidonax difficilis,33,30.00
187,Black Phoebe,Sayornis nigricans,51,46.36
188,Eastern Phoebe,Sayornis phoebe,56,50.91
189,Say's Phoebe,Sayornis saya,40,36.36
190,Vermilion Flycatcher,Pyrocephalus rubinus,45,40.91
191,Bell's Vireo,Vireo bellii,31,28.18
192,Hutton's Vireo,Vireo huttoni,31,28.18
193,Blue-headed Vireo,Vireo solitarius,42,38.18
194,Plumbeous Vireo,Vireo plumbeus,19,17.27
195,Warbling Vireo,Vireo gilvus,48,43.64
196,Red-eyed Vireo,Vireo olivaceus,52,47.27
197,Loggerhead Shrike,Lanius ludovicianus,60,54.55
198,Canada Jay,Perisoreus canadensis,44,40.00
199,Pinyon Jay,Gymnorhinus cyanocephalus,19,17.27
200,Steller's Jay,Cyanocitta stelleri,58,52.73
201,Blue Jay,Cyanocitta cristata,77,70.00
202,Woodhouse's Scrub-Jay,Aphelocoma woodhouseii,18,16.36
203,Mexican Jay,Aphelocoma wollweberi,19,17.27
204,Clark's Nutcracker,Nucifraga columbiana,36,32.73
205,Black-billed Magpie,Pica hudsonia,48,43.64
206,American Crow,Corvus brachyrhynchos,78,70.91
207,Fish Crow,Corvus ossifragus,51,46.36
208,Chihuahuan Raven,Corvus cryptoleucus,29,26.36
209,Common Raven,Corvus corax,63,57.27
210,Verdin,Auriparus flaviceps,32,29.09
211,Black-capped Chickadee,Poecile atricapillus,67,60.91
212,Mountain Chickadee,Poecile gambeli,39,35.45
213,Bridled Titmouse,Baeolophus wollweberi,26,23.64
214,Juniper Titmouse,Baeolophus ridgwayi,20,18.18
215,Tufted Titmouse,Baeolophus bicolor,61,55.45
216,Bank Swallow,Riparia riparia,51,46.36
217,Tree Swallow,Tachycineta bicolor,71,64.55
218,Violet-green Swallow,Tachycineta thalassina,45,40.91
219,Northern Rough-winged Swallow,Stelgidopteryx serripennis,64,58.18
220,Purple Martin,Progne subis,59,53.64
221,Barn Swallow,Hirundo rustica,70,63.64
222,Cliff Swallow,Petrochelidon pyrrhonota,61,55.45
223,Bushtit,Psaltriparus minimus,46,41.82
224,Ruby-crowned Kinglet,Corthylio calendula,59,53.64
225,Golden-crowned Kinglet,Regulus satrapa,49,44.55
226,Cedar Waxwing,Bombycilla cedrorum,65,59.09
227,Phainopepla,Phainopepla nitens,34,30.91
228,Red-breasted Nuthatch,Sitta canadensis,53,48.18
229,White-breasted Nuthatch,Sitta carolinensis,63,57.27
230,Pygmy Nuthatch,Sitta pygmaea,37,33.64
231,Brown Creeper,Certhia americana,55,50.00
232,Blue-gray Gnatcatcher,Polioptila caerulea,68,61.82
233,Black-tailed Gnatcatcher,Polioptila melanura,22,20.00
234,Rock Wren,Salpinctes obsoletus,33,30.00
235,Canyon Wren,Catherpes mexicanus,35,31.82
236,Cactus Wren,Campylorhynchus brunneicapillus,39,35.45
237,Bewick's Wren,Thryomanes bewickii,44,40.00
238,Carolina Wren,Thryothorus ludovicianus,58,52.73
239,House Wren,Troglodytes aedon,63,57.27
240,Winter Wren,Troglodytes hiemalis,38,34.55
241,Marsh Wren,Cistothorus palustris,51,46.36
242,Gray Catbird,Dumetella carolinensis,67,60.91
243,Curve-billed Thrasher,Toxostoma curvirostre,36,32.73
244,Brown Thrasher,Toxostoma rufum,54,49.09
245,Bendire's Thrasher,Toxostoma bendirei,13,11.82
246,LeConte's Thrasher,Toxostoma lecontei,11,10.00
247,Crissal Thrasher,Toxostoma crissale,16,14.55
248,Sage Thrasher,Oreoscoptes montanus,20,18.18
249,Northern Mockingbird,Mimus polyglottos,77,70.00
250,European Starling,Sturnus vulgaris,76,69.09
251,Common Myna,Acridotheres tristis,20,18.18
252,American Dipper,Cinclus mexicanus,45,40.91
253,Eastern Bluebird,Sialia sialis,69,62.73
254,Western Bluebird,Sialia mexicana,42,38.18
255,Mountain Bluebird,Sialia currucoides,36,32.73
256,Townsend's Solitaire,Myadestes townsendi,35,31.82
257,Veery,Catharus fuscescens,41,37.27
258,Swainson's Thrush,Catharus ustulatus,52,47.27
259,Hermit Thrush,Catharus guttatus,58,52.73
260,Wood Thrush,Hylocichla mustelina,48,43.64
261,American Robin,Turdus migratorius,80,72.73
262,House Sparrow,Passer domesticus,77,70.00
263,American Pipit,Anthus rubescens,51,46.36
264,Evening Grosbeak,Coccothraustes vespertinus,30,27.27
265,Black Rosy-Finch,Leucosticte atrata,10,9.09
266,House Finch,Haemorhous mexicanus,77,70.00
267,Purple Finch,Haemorhous purpureus,50,45.45
268,Cassin's Finch,Haemorhous cassinii,26,23.64
269,Red Crossbill,Loxia curvirostra,21,19.09
270,Pine Siskin,Spinus pinus,53,48.18
271,Lesser Goldfinch,Spinus psaltria,47,42.73
272,American Goldfinch,Spinus tristis,68,61.82
273,Rufous-winged Sparrow,Peucaea carpalis,14,12.73
274,Botteri's Sparrow,Peucaea botterii,13,11.82
275,Cassin's Sparrow,Peucaea cassinii,14,12.73
276,Grasshopper Sparrow,Ammodramus savannarum,32,29.09
277,Black-throated Sparrow,Amphispiza bilineata,33,30.00
278,Lark Sparrow,Chondestes grammacus,35,31.82
279,Chipping Sparrow,Spizella passerina,61,55.45
280,Black-chinned Sparrow,Spizella atrogularis,11,10.00
281,Field Sparrow,Spizella pusilla,43,39.09
282,Brewer's Sparrow,Spizella breweri,24,21.82
283,Fox Sparrow,Passerella iliaca,53,48.18
284,Dark-eyed Junco,Junco hyemalis,66,60.00
285,White-crowned Sparrow,Zonotrichia leucophrys,59,53.64
286,White-throated Sparrow,Zonotrichia albicollis,61,55.45
287,Sagebrush Sparrow,Artemisiospiza nevadensis,9,8.18
288,Vesper Sparrow,Pooecetes gramineus,37,33.64
289,Savannah Sparrow,Passerculus sandwichensis,58,52.73
290,Song Sparrow,Melospiza melodia,66,60.00
291,Lincoln's Sparrow,Melospiza lincolnii,49,44.55
292,Swamp Sparrow,Melospiza georgiana,42,38.18
293,Canyon Towhee,Melozone fusca,29,26.36
294,Abert's Towhee,Melozone aberti,22,20.00
295,Rufous-crowned Sparrow,Aimophila ruficeps,29,26.36
296,Green-tailed Towhee,Pipilo chlorurus,28,25.45
297,Spotted Towhee,Pipilo maculatus,49,44.55
298,Eastern Towhee,Pipilo erythrophthalmus,57,51.82
299,Yellow-breasted Chat,Icteria virens,38,34.55
300,Yellow-headed Blackbird,Xanthocephalus xanthocephalus,46,41.82
301,Bobolink,Dolichonyx oryzivorus,39,35.45
302,Chihuahuan Meadowlark,Sturnella lilianae,11,10.00
303,Eastern Meadowlark,Sturnella magna,29,26.36
304,Western Meadowlark,Sturnella neglecta,48,43.64
305,Orchard Oriole,Icterus spurius,47,42.73
306,Hooded Oriole,Icterus cucullatus,41,37.27
307,Bullock's Oriole,Icterus bullockii,41,37.27
308,Baltimore Oriole,Icterus galbula,64,58.18
309,Scott's Oriole,Icterus parisorum,25,22.73
310,Red-winged Blackbird,Agelaius phoeniceus,82,74.55
311,Tricolored Blackbird,Agelaius tricolor,21,19.09
312,Bronzed Cowbird,Molothrus aeneus,47,42.73
313,Brown-headed Cowbird,Molothrus ater,68,61.82
314,Rusty Blackbird,Euphagus carolinus,38,34.55
315,Brewer's Blackbird,Euphagus cyanocephalus,49,44.55
316,Common Grackle,Quiscalus quiscula,77,70.00
317,Great-tailed Grackle,Quiscalus mexicanus,67,60.91
318,Ovenbird,Seiurus aurocapilla,56,50.91
319,Northern Waterthrush,Parkesia noveboracensis,55,50.00
320,Black-and-white Warbler,Mniotilta varia,71,64.55
321,Tennessee Warbler,Leiothlypis peregrina,50,45.45
322,Orange-crowned Warbler,Leiothlypis celata,53,48.18
323,Lucy's Warbler,Leiothlypis luciae,19,17.27
324,Nashville Warbler,Leiothlypis ruficapilla,44,40.00
325,Virginia's Warbler,Leiothlypis virginiae,15,13.64
326,MacGillivray's Warbler,Geothlypis tolmiei,31,28.18
327,Common Yellowthroat,Geothlypis trichas,72,65.45
328,American Redstart,Setophaga ruticilla,63,57.27
329,Northern Parula,Setophaga americana,55,50.00
330,Magnolia Warbler,Setophaga magnolia,57,51.82
331,Bay-breasted Warbler,Setophaga castanea,29,26.36
332,Blackburnian Warbler,Setophaga fusca,42,38.18
333,Yellow Warbler,Setophaga petechia,70,63.64
334,Chestnut-sided Warbler,Setophaga pensylvanica,52,47.27
335,Blackpoll Warbler,Setophaga striata,43,39.09
336,Black-throated Blue Warbler,Setophaga caerulescens,45,40.91
337,Palm Warbler,Setophaga palmarum,64,58.18
338,Pine Warbler,Setophaga pinus,54,49.09
339,Yellow-rumped Warbler,Setophaga coronata,68,61.82
340,Prairie Warbler,Setophaga discolor,51,46.36
341,Grace's Warbler,Setophaga graciae,18,16.36
342,Black-throated Gray Warbler,Setophaga nigrescens,38,34.55
343,Black-throated Green Warbler,Setophaga virens,52,47.27
344,Canada Warbler,Cardellina canadensis,35,31.82
345,Wilson's Warbler,Cardellina pusilla,53,48.18
346,Painted Redstart,Myioborus pictus,30,27.27
347,Summer Tanager,Piranga rubra,52,47.27
348,Scarlet Tanager,Piranga olivacea,51,46.36
349,Western Tanager,Piranga ludoviciana,47,42.73
350,Northern Cardinal,Cardinalis cardinalis,81,73.64
351,Pyrrhuloxia,Cardinalis sinuatus,32,29.09
352,Rose-breasted Grosbeak,Pheucticus ludovicianus,63,57.27
353,Black-headed Grosbeak,Pheucticus melanocephalus,43,39.09
354,Blue Grosbeak,Passerina caerulea,49,44.55
355,Lazuli Bunting,Passerina amoena,35,31.82
356,Indigo Bunting,Passerina cyanea,61,55.45
357,Varied Bunting,Passerina versicolor,20,18.18