BBS Route · North Dakota · BCR 11

Wimbledon Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 111 species recorded across 34 survey years, still active.

Bird Species Found on North Dakota Wimbledon

Top 40 of 111 species by most recent count. Each links to its species trend.

Species recorded on the Wimbledon 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 BlackbirdIcteridae7532024+302%1989
Common GrackleIcteridae271202414×1989
Yellow-headed BlackbirdIcteridae2602024+184%1989
Brown-headed CowbirdIcteridae822024+88%1989
Blue-winged TealAnatidae74202419×1990
Ruddy DuckAnatidae72202419×1996
Canada GooseAnatidae52202422×2004
MallardAnatidae43202453×1989
RedheadAnatidae382024+519%2004
Mourning DoveColumbidae352024-42%1989
Horned LarkAlaudidae272024-63%1989
Common YellowthroatParulidae272024+67%1989
House SparrowPasseridae272024-47%1989
Marsh WrenTroglodytidae262024+94%1989
GadwallAnatidae232024+975%1991
Northern ShovelerAnatidae20202413×1996
Ring-necked PheasantPhasianidae192024+408%1989
KilldeerCharadriidae182024+19%1989
Barn SwallowHirundinidae182024-26%1989
Ring-billed GullLaridae172024+280%1990
American CootRallidae172024+386%1990
Vesper SparrowPasserellidae152024+0%1989
Western MeadowlarkIcteridae122024-67%1989
Lesser ScaupAnatidae122024-19%2009
American RobinTurdidae112024+240%1989
Yellow WarblerParulidae112024+190%1990
Northern PintailAnatidae102024+586%1991
Northern House WrenTroglodytidae92024+0%1990
Pied-billed GrebePodicipedidae82024+257%1998
Wilson's SnipeScolopacidae82024+275%1999
Upland SandpiperScolopacidae72024-52%1991
Song SparrowPasserellidae72024+517%1993
Rock PigeonColumbidae62024+77%1990
Black TernLaridae6202419×1995
American AvocetRecurvirostridae62024+275%1996
Wild TurkeyPhasianidae62012+200%1992
Sedge WrenTroglodytidae62024-47%1996
American White PelicanPelecanidae52024+70%1989
Warbling VireoVireonidae52024+57%1990
Brewer's BlackbirdIcteridae52021+2%1991

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