BirdAnalyst
BBS Route · North Dakota · BCR 17

Carson Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 101 species recorded across 32 survey years, still active.

101Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
32Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1988–2025Span
4Observers

Bird Species Found on North Dakota Carson

Top 40 of 101 species by most recent count. Each links to its species trend.

Species recorded on the Carson 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
Ring-necked PheasantPhasianidae2072025+130%1990
Red-winged BlackbirdIcteridae1932025+23%1990
Western MeadowlarkIcteridae1662025-45%1990
Mourning DoveColumbidae1302025-12%1990
Brown-headed CowbirdIcteridae562025-61%1990
Wilson's PhalaropeScolopacidae54202528×1999
Horned LarkAlaudidae542025-16%1990
Sharp-tailed GrousePhasianidae512025+600%1991
Grasshopper SparrowPasserellidae462025-23%1990
Rock PigeonColumbidae372025+120%1991
BobolinkIcteridae362025+646%1990
Yellow-headed BlackbirdIcteridae252025+217%1991
Canada GooseAnatidae252025+300%2007
American RobinTurdidae232025-62%1990
Common GrackleIcteridae222025-55%1990
Lark BuntingPasserellidae222025-98%1990
Chestnut-collared LongspurCalcariidae202025+216%1990
Eastern KingbirdTyrannidae172025-30%1990
Bank SwallowHirundinidae142021+471%1990
Upland SandpiperScolopacidae132025-44%1990
Vesper SparrowPasserellidae132025+450%1990
Wilson's SnipeScolopacidae92025+100%1990
Western KingbirdTyrannidae92025+17%1990
Clay-colored SparrowPasserellidae92025+50%1998
Orchard OrioleIcteridae72025+140%1997
House SparrowPasseridae72025-70%1990
MallardAnatidae62025-54%1990
Wild TurkeyPhasianidae52025+100%1990
Barn SwallowHirundinidae52025-85%1990
KilldeerCharadriidae42025-79%1990
Northern HarrierAccipitridae42024-40%1990
Swainson's HawkAccipitridae42025-61%1991
Cliff SwallowHirundinidae42025-33%1990
Yellow WarblerParulidae42025+100%1990
Brown ThrasherMimidae42025+25%1992
Blue-winged TealAnatidae42025+83%2000
GadwallAnatidae42025+0%2000
Marbled GodwitScolopacidae32025+15%1992
Warbling VireoVireonidae32023+0%1991
Northern House WrenTroglodytidae32024+0%1991

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.