BirdAnalyst
BBS Route · Wyoming · BCR 17

Harland Flat Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 46 species recorded across 8 survey years, still active.

46Species 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 →
8Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1990–2025Span
4Observers

Bird Species Found on Wyoming Harland Flat

Top 40 of 46 species by most recent count. Each links to its species trend.

Species recorded on the Harland Flat 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
Lark BuntingPasserellidae2572025+121%1992
Western MeadowlarkIcteridae2222025+38%1992
Horned LarkAlaudidae762025-58%1992
Red-winged BlackbirdIcteridae292025+110%1993
Brewer's SparrowPasserellidae292025+158%1993
European StarlingSturnidae182017n/an/a
Brown-headed CowbirdIcteridae12202512×1990
Vesper SparrowPasserellidae92025-29%1992
Mourning DoveColumbidae72017+56%1992
KilldeerCharadriidae62025+13%1993
Grasshopper SparrowPasserellidae62025+133%1993
Lark SparrowPasserellidae41995-85%1991
Barn SwallowHirundinidae42025+167%1991
Northern Rough-winged SwallowHirundinidae42025+33%1991
Ferruginous HawkAccipitridae42017+100%1992
Sage ThrasherMimidae42025-54%1993
Bank SwallowHirundinidae41993n/an/a
Thick-billed LongspurCalcariidae31995-93%1991
Cliff SwallowHirundinidae32025-6%1993
Swainson's HawkAccipitridae22025+50%1992
Common NighthawkCaprimulgidae22025-57%1992
Say's PhoebeTyrannidae22025+33%1992
Loggerhead ShrikeLaniidae22025-40%2017
Northern HarrierAccipitridae22025+100%1995
Red-tailed HawkAccipitridae22025+100%1995
MallardAnatidae22017n/an/a
Wilson's SnipeScolopacidae11991+0%1990
Western KingbirdTyrannidae11990n/an/a
Brewer's BlackbirdIcteridae12025-61%1992
Chestnut-collared LongspurCalcariidae12017-72%1992
Clay-colored SparrowPasserellidae12017+0%1991
Field SparrowPasserellidae12025-94%1990
Greater Sage-GrousePhasianidae12017-50%1991
Turkey VultureCathartidae12017-50%1991
Common GrackleIcteridae11991n/an/a
Savannah SparrowPasserellidae12025-50%1991
Common YellowthroatParulidae12025+0%1992
Mountain BluebirdTurdidae11992n/an/a
Eastern KingbirdTyrannidae12017+0%1995
Wilson's PhalaropeScolopacidae12024-50%2017

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