BirdAnalyst
BBS Route · Idaho · BCR 9

Twin Buttes Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 71 species recorded across 38 survey years, still active.

71Species 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 Twin Buttes

Top 40 of 71 species by most recent count. Each links to its species trend.

Species recorded on the Twin Buttes 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 LarkAlaudidae922025+109%1987
MallardAnatidae541999n/an/a
Western MeadowlarkIcteridae512025-9%1987
Northern PintailAnatidae301999n/an/a
Brewer's SparrowPasserellidae282025-14%1987
Sagebrush SparrowPasserellidae222025-53%1987
Northern ShovelerAnatidae211999n/an/a
Common RavenCorvidae142025+375%1988
Sage ThrasherMimidae132025-28%1987
Common NighthawkCaprimulgidae122025-11%1987
Mourning DoveColumbidae92025-74%1987
Vesper SparrowPasserellidae92025+880%1995
Wilson's PhalaropeScolopacidae81999n/an/a
Grasshopper SparrowPasserellidae62024+267%2003
American AvocetRecurvirostridae61999n/an/a
Common PoorwillCaprimulgidae42001-20%1985
Black-billed MagpieCorvidae42018-22%1988
Brown-headed CowbirdIcteridae42025-78%1987
European StarlingSturnidae42023-86%1998
Pine SiskinFringillidae42005n/an/a
Gray CatbirdMimidae42022n/an/a
Loggerhead ShrikeLaniidae32025-81%1987
Northern HarrierAccipitridae32023+75%1997
Red-winged BlackbirdIcteridae31995n/an/a
Northern Rough-winged SwallowHirundinidae32000+200%1998
Cinnamon TealAnatidae31999n/an/a
Swainson's HawkAccipitridae22025+600%1997
Rock WrenTroglodytidae22025+0%1989
Short-eared OwlStrigidae22024+25%1999
Ring-billed GullLaridae22005+100%1989
Gray FlycatcherTyrannidae22022+60%1996
Green-winged TealAnatidae21999n/an/a
RedheadAnatidae21999n/an/a
Barn SwallowHirundinidae22021-22%2007
Savannah SparrowPasserellidae22025+100%2003
Cliff SwallowHirundinidae22005n/an/a
Hermit ThrushTurdidae22024n/an/a
Ferruginous HawkAccipitridae12023-56%1987
American KestrelFalconidae12025-43%1987
Burrowing OwlStrigidae12024-40%2008

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