Dennis Serdehely: Oregon Life List OBRC, All records: Top Blockers Record(s) 1 to 237 of 237 total.
Seq.	Species	Scientific Name	Seen By Other Listers	Other Listers (%)	
1	Snow Goose	Anser caerulescens	3	25.00	
2	Greater White-fronted Goose	Anser albifrons	3	25.00	
3	Cackling Goose	Branta hutchinsii	3	25.00	
4	Canada Goose	Branta canadensis	9	75.00	
5	Trumpeter Swan	Cygnus buccinator	4	33.33	
6	Tundra Swan	Cygnus columbianus	3	25.00	
7	Wood Duck	Aix sponsa	7	58.33	
8	Blue-winged Teal	Spatula discors	2	16.67	
9	Cinnamon Teal	Spatula cyanoptera	6	50.00	
10	Northern Shoveler	Spatula clypeata	6	50.00	
11	Gadwall	Mareca strepera	6	50.00	
12	American Wigeon	Mareca americana	5	41.67	
13	Mallard	Anas platyrhynchos	8	66.67	
14	Northern Pintail	Anas acuta	6	50.00	
15	Green-winged Teal	Anas crecca	6	50.00	
16	Canvasback	Aythya valisineria	5	41.67	
17	Redhead	Aythya americana	5	41.67	
18	Ring-necked Duck	Aythya collaris	8	66.67	
19	Greater Scaup	Aythya marila	4	33.33	
20	Lesser Scaup	Aythya affinis	4	33.33	
21	Harlequin Duck	Histrionicus histrionicus	3	25.00	
22	Surf Scoter	Melanitta perspicillata	7	58.33	
23	White-winged Scoter	Melanitta deglandi	4	33.33	
24	Bufflehead	Bucephala albeola	4	33.33	
25	Common Goldeneye	Bucephala clangula	3	25.00	
26	Hooded Merganser	Lophodytes cucullatus	6	50.00	
27	Common Merganser	Mergus merganser	4	33.33	
28	Ruddy Duck	Oxyura jamaicensis	6	50.00	
29	Mountain Quail	Oreortyx pictus	2	16.67	
30	California Quail	Callipepla californica	6	50.00	
31	Wild Turkey	Meleagris gallopavo	3	25.00	
32	Ruffed Grouse	Bonasa umbellus	1	8.33	
33	Ring-necked Pheasant	Phasianus colchicus	6	50.00	
34	Chukar	Alectoris chukar	3	25.00	
35	Pied-billed Grebe	Podilymbus podiceps	7	58.33	
36	Horned Grebe	Podiceps auritus	4	33.33	
37	Red-necked Grebe	Podiceps grisegena	3	25.00	
38	Eared Grebe	Podiceps nigricollis	5	41.67	
39	Western Grebe	Aechmophorus occidentalis	6	50.00	
40	Clark's Grebe	Aechmophorus clarkii	5	41.67	
41	Rock Pigeon	Columba livia	8	66.67	
42	Band-tailed Pigeon	Patagioenas fasciata	9	75.00	
43	Eurasian Collared-Dove	Streptopelia decaocto	7	58.33	
44	Mourning Dove	Zenaida macroura	8	66.67	
45	Common Nighthawk	Chordeiles minor	5	41.67	
46	Vaux's Swift	Chaetura vauxi	6	50.00	
47	White-throated Swift	Aeronautes saxatalis	3	25.00	
48	Anna's Hummingbird	Calypte anna	8	66.67	
49	Rufous Hummingbird	Selasphorus rufus	6	50.00	
50	Virginia Rail	Rallus limicola	2	16.67	
51	Sora	Porzana carolina	4	33.33	
52	Common Gallinule	Gallinula galeata	1	8.33	
53	American Coot	Fulica americana	7	58.33	
54	Sandhill Crane	Antigone canadensis	5	41.67	
55	Black-necked Stilt	Himantopus mexicanus	5	41.67	
56	Black Oystercatcher	Haematopus bachmani	7	58.33	
57	Black-bellied Plover	Pluvialis squatarola	4	33.33	
58	Killdeer	Charadrius vociferus	9	75.00	
59	Semipalmated Plover	Charadrius semipalmatus	4	33.33	
60	Snowy Plover	Charadrius nivosus	2	16.67	
61	Whimbrel	Numenius phaeopus	5	41.67	
62	Marbled Godwit	Limosa fedoa	4	33.33	
63	Black Turnstone	Arenaria melanocephala	7	58.33	
64	Surfbird	Calidris virgata	4	33.33	
65	Sanderling	Calidris alba	2	16.67	
66	Dunlin	Calidris alpina	3	25.00	
67	Baird's Sandpiper	Calidris bairdii	2	16.67	
68	Least Sandpiper	Calidris minutilla	7	58.33	
69	Pectoral Sandpiper	Calidris melanotos	6	50.00	
70	Western Sandpiper	Calidris mauri	6	50.00	
71	Long-billed Dowitcher	Limnodromus scolopaceus	5	41.67	
72	Wilson's Snipe	Gallinago delicata	5	41.67	
73	Spotted Sandpiper	Actitis macularius	4	33.33	
74	Wandering Tattler	Tringa incana	2	16.67	
75	Lesser Yellowlegs	Tringa flavipes	5	41.67	
76	Greater Yellowlegs	Tringa melanoleuca	5	41.67	
77	Red-necked Phalarope	Phalaropus lobatus	6	50.00	
78	Common Murre	Uria aalge	9	75.00	
79	Pigeon Guillemot	Cepphus columba	8	66.67	
80	Rhinoceros Auklet	Cerorhinca monocerata	3	25.00	
81	Bonaparte's Gull	Chroicocephalus philadelphia	2	16.67	
82	Heermann's Gull	Larus heermanni	5	41.67	
83	Short-billed Gull	Larus brachyrhynchus	3	25.00	
84	Ring-billed Gull	Larus delawarensis	8	66.67	
85	Western Gull	Larus occidentalis	10	83.33	
86	California Gull	Larus californicus	5	41.67	
87	Herring Gull	Larus argentatus	3	25.00	
88	Iceland Gull	Larus glaucoides	3	25.00	
89	Glaucous-winged Gull	Larus glaucescens	7	58.33	
90	Caspian Tern	Hydroprogne caspia	8	66.67	
91	Black Tern	Chlidonias niger	4	33.33	
92	Forster's Tern	Sterna forsteri	5	41.67	
93	Pacific Loon	Gavia pacifica	4	33.33	
94	Common Loon	Gavia immer	6	50.00	
95	Brandt's Cormorant	Urile penicillatus	7	58.33	
96	Pelagic Cormorant	Urile pelagicus	10	83.33	
97	Double-crested Cormorant	Nannopterum auritum	9	75.00	
98	American White Pelican	Pelecanus erythrorhynchos	5	41.67	
99	Brown Pelican	Pelecanus occidentalis	9	75.00	
100	American Bittern	Botaurus lentiginosus	5	41.67	
101	Great Blue Heron	Ardea herodias	10	83.33	
102	Great Egret	Ardea alba	7	58.33	
103	Snowy Egret	Egretta thula	4	33.33	
104	Green Heron	Butorides virescens	3	25.00	
105	Black-crowned Night-Heron	Nycticorax nycticorax	5	41.67	
106	Turkey Vulture	Cathartes aura	9	75.00	
107	Osprey	Pandion haliaetus	10	83.33	
108	Golden Eagle	Aquila chrysaetos	5	41.67	
109	Northern Harrier	Circus hudsonius	7	58.33	
110	Sharp-shinned Hawk	Accipiter striatus	5	41.67	
111	Cooper's Hawk	Accipiter cooperii	6	50.00	
112	American Goshawk	Accipiter atricapillus	2	16.67	
113	Bald Eagle	Haliaeetus leucocephalus	7	58.33	
114	Red-shouldered Hawk	Buteo lineatus	4	33.33	
115	Red-tailed Hawk	Buteo jamaicensis	9	75.00	
116	Great Horned Owl	Bubo virginianus	4	33.33	
117	Northern Pygmy-Owl	Glaucidium gnoma	3	25.00	
118	Burrowing Owl	Athene cunicularia	3	25.00	
119	Barred Owl	Strix varia	2	16.67	
120	Belted Kingfisher	Megaceryle alcyon	8	66.67	
121	Lewis's Woodpecker	Melanerpes lewis	6	50.00	
122	Acorn Woodpecker	Melanerpes formicivorus	5	41.67	
123	Williamson's Sapsucker	Sphyrapicus thyroideus	3	25.00	
124	Red-naped Sapsucker	Sphyrapicus nuchalis	5	41.67	
125	Red-breasted Sapsucker	Sphyrapicus ruber	5	41.67	
126	Downy Woodpecker	Dryobates pubescens	6	50.00	
127	Hairy Woodpecker	Dryobates villosus	6	50.00	
128	White-headed Woodpecker	Dryobates albolarvatus	4	33.33	
129	Northern Flicker	Colaptes auratus	8	66.67	
130	Pileated Woodpecker	Dryocopus pileatus	4	33.33	
131	American Kestrel	Falco sparverius	7	58.33	
132	Merlin	Falco columbarius	3	25.00	
133	Peregrine Falcon	Falco peregrinus	6	50.00	
134	Prairie Falcon	Falco mexicanus	5	41.67	
135	Ash-throated Flycatcher	Myiarchus cinerascens	2	16.67	
136	Western Kingbird	Tyrannus verticalis	6	50.00	
137	Eastern Kingbird	Tyrannus tyrannus	4	33.33	
138	Olive-sided Flycatcher	Contopus cooperi	6	50.00	
139	Western Wood-Pewee	Contopus sordidulus	6	50.00	
140	Willow Flycatcher	Empidonax traillii	5	41.67	
141	Hammond's Flycatcher	Empidonax hammondii	5	41.67	
142	Dusky Flycatcher	Empidonax oberholseri	5	41.67	
143	Western Flycatcher	Empidonax difficilis	6	50.00	
144	Black Phoebe	Sayornis nigricans	4	33.33	
145	Say's Phoebe	Sayornis saya	5	41.67	
146	Hutton's Vireo	Vireo huttoni	4	33.33	
147	Cassin's Vireo	Vireo cassinii	5	41.67	
148	Warbling Vireo	Vireo gilvus	5	41.67	
149	Loggerhead Shrike	Lanius ludovicianus	4	33.33	
150	Northern Shrike	Lanius borealis	3	25.00	
151	Canada Jay	Perisoreus canadensis	6	50.00	
152	Steller's Jay	Cyanocitta stelleri	10	83.33	
153	California Scrub-Jay	Aphelocoma californica	9	75.00	
154	Clark's Nutcracker	Nucifraga columbiana	5	41.67	
155	Black-billed Magpie	Pica hudsonia	7	58.33	
156	American Crow	Corvus brachyrhynchos	9	75.00	
157	Common Raven	Corvus corax	8	66.67	
158	Black-capped Chickadee	Poecile atricapillus	7	58.33	
159	Mountain Chickadee	Poecile gambeli	7	58.33	
160	Chestnut-backed Chickadee	Poecile rufescens	9	75.00	
161	Oak Titmouse	Baeolophus inornatus	1	8.33	
162	Horned Lark	Eremophila alpestris	4	33.33	
163	Bank Swallow	Riparia riparia	4	33.33	
164	Tree Swallow	Tachycineta bicolor	7	58.33	
165	Violet-green Swallow	Tachycineta thalassina	8	66.67	
166	Northern Rough-winged Swallow	Stelgidopteryx serripennis	5	41.67	
167	Purple Martin	Progne subis	4	33.33	
168	Barn Swallow	Hirundo rustica	9	75.00	
169	Cliff Swallow	Petrochelidon pyrrhonota	7	58.33	
170	Bushtit	Psaltriparus minimus	8	66.67	
171	Wrentit	Chamaea fasciata	7	58.33	
172	Ruby-crowned Kinglet	Corthylio calendula	3	25.00	
173	Golden-crowned Kinglet	Regulus satrapa	9	75.00	
174	Cedar Waxwing	Bombycilla cedrorum	8	66.67	
175	Red-breasted Nuthatch	Sitta canadensis	7	58.33	
176	White-breasted Nuthatch	Sitta carolinensis	5	41.67	
177	Pygmy Nuthatch	Sitta pygmaea	5	41.67	
178	Brown Creeper	Certhia americana	6	50.00	
179	Blue-gray Gnatcatcher	Polioptila caerulea	3	25.00	
180	Rock Wren	Salpinctes obsoletus	4	33.33	
181	Bewick's Wren	Thryomanes bewickii	6	50.00	
182	House Wren	Troglodytes aedon	6	50.00	
183	Pacific Wren	Troglodytes pacificus	3	25.00	
184	Marsh Wren	Cistothorus palustris	6	50.00	
185	Northern Mockingbird	Mimus polyglottos	2	16.67	
186	European Starling	Sturnus vulgaris	9	75.00	
187	American Dipper	Cinclus mexicanus	5	41.67	
188	Western Bluebird	Sialia mexicana	5	41.67	
189	Mountain Bluebird	Sialia currucoides	4	33.33	
190	Townsend's Solitaire	Myadestes townsendi	5	41.67	
191	Swainson's Thrush	Catharus ustulatus	5	41.67	
192	Hermit Thrush	Catharus guttatus	4	33.33	
193	American Robin	Turdus migratorius	9	75.00	
194	Varied Thrush	Ixoreus naevius	6	50.00	
195	House Sparrow	Passer domesticus	9	75.00	
196	American Pipit	Anthus rubescens	6	50.00	
197	House Finch	Haemorhous mexicanus	7	58.33	
198	Purple Finch	Haemorhous purpureus	5	41.67	
199	Cassin's Finch	Haemorhous cassinii	4	33.33	
200	Red Crossbill	Loxia curvirostra	8	66.67	
201	Pine Siskin	Spinus pinus	7	58.33	
202	Lesser Goldfinch	Spinus psaltria	4	33.33	
203	American Goldfinch	Spinus tristis	7	58.33	
204	Lark Sparrow	Chondestes grammacus	4	33.33	
205	Chipping Sparrow	Spizella passerina	6	50.00	
206	Fox Sparrow	Passerella iliaca	6	50.00	
207	Dark-eyed Junco	Junco hyemalis	10	83.33	
208	White-crowned Sparrow	Zonotrichia leucophrys	9	75.00	
209	Golden-crowned Sparrow	Zonotrichia atricapilla	3	25.00	
210	White-throated Sparrow	Zonotrichia albicollis	2	16.67	
211	Vesper Sparrow	Pooecetes gramineus	3	25.00	
212	Savannah Sparrow	Passerculus sandwichensis	6	50.00	
213	Song Sparrow	Melospiza melodia	9	75.00	
214	Lincoln's Sparrow	Melospiza lincolnii	4	33.33	
215	Swamp Sparrow	Melospiza georgiana	2	16.67	
216	California Towhee	Melozone crissalis	3	25.00	
217	Green-tailed Towhee	Pipilo chlorurus	4	33.33	
218	Spotted Towhee	Pipilo maculatus	8	66.67	
219	Yellow-breasted Chat	Icteria virens	3	25.00	
220	Yellow-headed Blackbird	Xanthocephalus xanthocephalus	5	41.67	
221	Western Meadowlark	Sturnella neglecta	5	41.67	
222	Bullock's Oriole	Icterus bullockii	5	41.67	
223	Red-winged Blackbird	Agelaius phoeniceus	7	58.33	
224	Brown-headed Cowbird	Molothrus ater	6	50.00	
225	Brewer's Blackbird	Euphagus cyanocephalus	8	66.67	
226	Orange-crowned Warbler	Leiothlypis celata	7	58.33	
227	Nashville Warbler	Leiothlypis ruficapilla	4	33.33	
228	Common Yellowthroat	Geothlypis trichas	5	41.67	
229	Yellow Warbler	Setophaga petechia	6	50.00	
230	Yellow-rumped Warbler	Setophaga coronata	7	58.33	
231	Black-throated Gray Warbler	Setophaga nigrescens	8	66.67	
232	Townsend's Warbler	Setophaga townsendi	7	58.33	
233	Hermit Warbler	Setophaga occidentalis	5	41.67	
234	Wilson's Warbler	Cardellina pusilla	8	66.67	
235	Western Tanager	Piranga ludoviciana	7	58.33	
236	Black-headed Grosbeak	Pheucticus melanocephalus	6	50.00	
237	Lazuli Bunting	Passerina amoena	5	41.67