BBS Route · Oregon · BCR 9

Blitzen Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 62 species recorded across 23 survey years, no longer active.

62Species Recorded

23Years Surveyed

1971–1993Span

10Observers

Bird Species Found on Oregon Blitzen

Top 40 of 62 species by most recent count. Each links to its species trend.

Species recorded on the Blitzen route.

Horned Lark	Alaudidae	99	1993	-9%	1973
Brewer's Sparrow	Passerellidae	86	1993	-73%	1973
Western Meadowlark	Icteridae	60	1993	+3%	1973
Sage Thrasher	Mimidae	42	1993	-6%	1973
Rock Wren	Troglodytidae	35	1993	+355%	1973
Rock Pigeon	Columbidae	32	1981	n/a	n/a
Gray Flycatcher	Tyrannidae	29	1993	+313%	1978
Vesper Sparrow	Passerellidae	26	1993	+282%	1973
Savannah Sparrow	Passerellidae	18	1993	+96%	1974
Greater Sage-Grouse	Phasianidae	16	1992	12×	1980
Brewer's Blackbird	Icteridae	14	1993	+203%	1973
Sandhill Crane	Gruidae	12	1980	n/a	n/a
Northern Pintail	Anatidae	12	1981	n/a	n/a
Sagebrush Sparrow	Passerellidae	11	1993	-75%	1973
Willow Flycatcher	Tyrannidae	7	1972	+75%	1971
Common Raven	Corvidae	7	1993	+90%	1974
Brown-headed Cowbird	Icteridae	7	1993	+200%	1977
Mourning Dove	Columbidae	6	1993	-48%	1973
American Crow	Corvidae	6	1972	n/a	n/a
House Finch	Fringillidae	4	1993	+25%	1979
Common Nighthawk	Caprimulgidae	4	1992	-66%	1975
Grasshopper Sparrow	Passerellidae	4	1990	-55%	1976
Northern Harrier	Accipitridae	3	1992	+60%	1977
Red-tailed Hawk	Accipitridae	3	1993	-13%	1976
Golden Eagle	Accipitridae	3	1993	+50%	1973
Burrowing Owl	Strigidae	3	1981	+33%	1972
Cliff Swallow	Hirundinidae	3	1992	-91%	1973
White-crowned Sparrow	Passerellidae	3	1980	n/a	n/a
Ferruginous Hawk	Accipitridae	3	1993	+100%	1986
Prairie Falcon	Falconidae	2	1993	+133%	1977
European Starling	Sturnidae	2	1991	-33%	1973
Lark Sparrow	Passerellidae	2	1993	-66%	1976
American Robin	Turdidae	2	1993	+33%	1976
Black-billed Magpie	Corvidae	2	1992	+100%	1973
Red-winged Blackbird	Icteridae	2	1991	-71%	1973
Gadwall	Anatidae	2	1983	n/a	n/a
American Avocet	Recurvirostridae	2	1984	n/a	n/a
Black-throated Sparrow	Passerellidae	2	1992	-44%	1985
Mountain Bluebird	Turdidae	2	1986	n/a	n/a
Killdeer	Charadriidae	1	1989	-33%	1982

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.