BirdAnalyst
BBS Route · Idaho · BCR 9

Lost River Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 53 species recorded across 38 survey years, still active.

53Species 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 →
38Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1985–2025Span
16Observers

Bird Species Found on Idaho Lost River

Top 40 of 53 species by most recent count. Each links to its species trend.

Species recorded on the Lost River 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 LarkAlaudidae155202549×1987
Western MeadowlarkIcteridae482025-8%1987
Brewer's SparrowPasserellidae412025-8%1987
Sagebrush SparrowPasserellidae282025-40%1987
Vesper SparrowPasserellidae132025+217%1998
Sage ThrasherMimidae82025-34%1987
Common NighthawkCaprimulgidae62025-76%1987
Lark BuntingPasserellidae62006+500%1996
Common RavenCorvidae52025+483%1989
Savannah SparrowPasserellidae52025+20%2005
Northern Rough-winged SwallowHirundinidae52022+400%2005
Brewer's BlackbirdIcteridae42023-29%1987
Common PoorwillCaprimulgidae41995n/an/a
Short-eared OwlStrigidae32006-38%1999
Swainson's HawkAccipitridae32025+100%1991
American RobinTurdidae32025+100%1991
Ferruginous HawkAccipitridae32024+60%1995
Gray PartridgePhasianidae32000+200%1999
Grasshopper SparrowPasserellidae32025-63%2005
Mourning DoveColumbidae22025-46%1987
Red-tailed HawkAccipitridae22024+0%1987
American KestrelFalconidae22025-64%1987
Burrowing OwlStrigidae22023+100%1985
Cliff SwallowHirundinidae22000n/an/a
Say's PhoebeTyrannidae22023+50%2004
Chipping SparrowPasserellidae22023-72%2006
Bald EagleAccipitridae22008n/an/a
Black-billed MagpieCorvidae12007-56%1987
Brown-headed CowbirdIcteridae12025-88%1987
Rock WrenTroglodytidae12016+0%1998
Northern HarrierAccipitridae12025+0%2003
Prairie FalconFalconidae12019+33%2004
Barn SwallowHirundinidae12017+67%2006
KilldeerCharadriidae11987n/an/a
Greater Sage-GrousePhasianidae12015-70%2002
Loggerhead ShrikeLaniidae12024-33%1990
Violet-green SwallowHirundinidae12005-67%1989
Great Horned OwlStrigidae12009+0%1991
Lazuli BuntingCardinalidae11998+0%1995
European StarlingSturnidae12023+0%1997

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