BirdAnalyst
BBS Route · Wyoming · BCR 17

Harland Flat Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 44 species recorded across 7 survey years, still active.

44Species 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 →
7Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1990–2024Span
3Observers

Bird Species Found on Wyoming Harland Flat

Top 40 of 44 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 BuntingPasserellidae402024+96%1992
Cliff SwallowHirundinidae281995+40%1992
Red-winged BlackbirdIcteridae242024+94%1993
Horned LarkAlaudidae212024-49%1992
Western MeadowlarkIcteridae192024-19%1992
European StarlingSturnidae182017n/an/a
Field SparrowPasserellidae161990n/an/a
Grasshopper SparrowPasserellidae82017+250%1993
Mourning DoveColumbidae72017+56%1992
Brewer's BlackbirdIcteridae62024+67%1992
KilldeerCharadriidae52024+7%1993
Brown-headed CowbirdIcteridae42017+300%1990
Lark SparrowPasserellidae41995-85%1991
Barn SwallowHirundinidae42017+267%1991
Brewer's SparrowPasserellidae42024+65%1992
Ferruginous HawkAccipitridae42017+100%1992
Bank SwallowHirundinidae41993n/an/a
Thick-billed LongspurCalcariidae31995-93%1991
Northern Rough-winged SwallowHirundinidae31991n/an/a
Say's PhoebeTyrannidae21995+33%1992
Savannah SparrowPasserellidae21991n/an/a
Sage ThrasherMimidae22017-69%1993
MallardAnatidae22017n/an/a
Wilson's SnipeScolopacidae11991+0%1990
Swainson's HawkAccipitridae11995+0%1992
Common NighthawkCaprimulgidae12017-14%1992
Western KingbirdTyrannidae11990n/an/a
Chestnut-collared LongspurCalcariidae12017-72%1992
Vesper SparrowPasserellidae12024+86%1992
Clay-colored SparrowPasserellidae12017+0%1991
Greater Sage-GrousePhasianidae12017-50%1991
Turkey VultureCathartidae12017-50%1991
Common GrackleIcteridae11991n/an/a
Loggerhead ShrikeLaniidae12024-67%1992
Common YellowthroatParulidae11992n/an/a
Mountain BluebirdTurdidae11992n/an/a
Northern HarrierAccipitridae12017+0%1995
Red-tailed HawkAccipitridae12017+0%1995
Eastern KingbirdTyrannidae12017+0%1995
Wilson's PhalaropeScolopacidae12024-50%2017

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