BBS Route · North Dakota · BCR 11

Walcott Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 114 species recorded across 47 survey years, still active.

Bird Species Found on North Dakota Walcott

Top 40 of 114 species by most recent count. Each links to its species trend.

Species recorded on the Walcott route.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
Red-winged BlackbirdIcteridae902023-38%1969
Mourning DoveColumbidae822023-47%1969
Bank SwallowHirundinidae702023+218%1980
Rock PigeonColumbidae632023+485%1969
American RobinTurdidae522023+104%1969
Common GrackleIcteridae492023+184%1969
KilldeerCharadriidae422023+304%1969
European StarlingSturnidae352023+208%1969
Horned LarkAlaudidae252023+488%1969
Northern House WrenTroglodytidae242023+170%1970
Vesper SparrowPasserellidae212023-18%1969
Western MeadowlarkIcteridae152023-84%1969
Ring-necked PheasantPhasianidae122023+860%1971
House SparrowPasseridae112023+83%1969
Canada GooseAnatidae112023+89%2007
MallardAnatidae102023+200%1971
Barn SwallowHirundinidae92023-19%1969
Common YellowthroatParulidae92023-71%1969
SoraRallidae92015+367%1979
Double-crested CormorantPhalacrocoracidae92017n/an/a
Marbled GodwitScolopacidae82015+117%1971
Tree SwallowHirundinidae82023+75%1979
Eurasian Collared-DoveColumbidae82023+257%2008
Sharp-tailed GrousePhasianidae72015n/an/a
Brown-headed CowbirdIcteridae62023-30%1969
Warbling VireoVireonidae62023+357%1971
Lesser ScaupAnatidae61979n/an/a
Wild TurkeyPhasianidae62021+9%2014
Upland SandpiperScolopacidae52023+130%1969
Eastern KingbirdTyrannidae52023-48%1969
American CrowCorvidae52023-57%1969
American GoldfinchFringillidae52023-5%1970
Brown ThrasherMimidae52023-27%1969
House FinchFringillidae52023-29%2002
BobolinkIcteridae42023-44%1969
Chipping SparrowPasserellidae42023+54%1970
Yellow-headed BlackbirdIcteridae42021+380%1972
Red-tailed HawkAccipitridae42021+200%1987
Ruddy DuckAnatidae42001n/an/a
Green-winged TealAnatidae42014n/an/a

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