BirdAnalyst
BBS Route · Idaho · BCR 9

Tractor Flat Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 68 species recorded across 37 survey years, still active.

68Species 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 →
37Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1985–2024Span
15Observers

Bird Species Found on Idaho Tractor Flat

Top 40 of 68 species by most recent count. Each links to its species trend.

Species recorded on the Tractor 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
Horned LarkAlaudidae1732024+117%1987
Franklin's GullLaridae44202434×1994
Western MeadowlarkIcteridae412024+56%1987
Brewer's SparrowPasserellidae382024+10%1987
Common RavenCorvidae27202422×1989
Sage ThrasherMimidae202024+15%1987
Black-billed MagpieCorvidae142024+181%1987
California GullLaridae112024144×1996
Steller's JayCorvidae101994n/an/a
Vesper SparrowPasserellidae92024+120%1988
MallardAnatidae92022n/an/a
Mourning DoveColumbidae82024-29%1987
Sagebrush SparrowPasserellidae82024-52%1987
Rock WrenTroglodytidae72022+125%2006
Greater Sage-GrousePhasianidae52019-89%1988
Long-billed CurlewScolopacidae52023+86%1996
House SparrowPasseridae52024-25%1999
Northern Rough-winged SwallowHirundinidae52008+150%2006
Loggerhead ShrikeLaniidae42024+0%1990
White-faced IbisThreskiornithidae42024+100%1991
Bank SwallowHirundinidae42024-46%2010
Northern HarrierAccipitridae32024-8%1987
Swainson's HawkAccipitridae32024+67%1995
Brown-headed CowbirdIcteridae32024-92%1987
American CrowCorvidae32018-44%1996
Grasshopper SparrowPasserellidae32024-36%1999
Spotted SandpiperScolopacidae32019n/an/a
Burrowing OwlStrigidae22024-17%1997
Western KingbirdTyrannidae22024+50%1988
Red-tailed HawkAccipitridae22024+100%1997
American RobinTurdidae22024+100%2013
American KestrelFalconidae22016+25%1997
Eastern KingbirdTyrannidae22015+100%1988
WilletScolopacidae22023+100%1996
Great Blue HeronArdeidae21994n/an/a
Bullock's OrioleIcteridae22010+100%1998
Rock PigeonColumbidae22024-29%2000
Lazuli BuntingCardinalidae22005n/an/a
Black-throated SparrowPasserellidae22006n/an/a
Short-eared OwlStrigidae12024-84%1990

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