BirdAnalyst
BBS Route · Idaho · BCR 10

Cascade Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 124 species recorded across 16 survey years, no longer active.

124Species 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 →
16Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–1984Span
2Observers

Bird Species Found on Idaho Cascade

Top 40 of 124 species by most recent count. Each links to its species trend.

Species recorded on the Cascade 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
California GullLaridae120198420×1983
Common MerganserAnatidae1051984+775%1983
American RobinTurdidae801984+188%1970
Pine SiskinFringillidae75198411×1974
Tree SwallowHirundinidae711984+743%1971
Chipping SparrowPasserellidae691984+685%1970
Cliff SwallowHirundinidae661984+467%1972
Brown-headed CowbirdIcteridae55198417×1973
Western TanagerCardinalidae54198421×1971
European StarlingSturnidae511984+900%1970
Warbling VireoVireonidae491984-45%1983
Brewer's BlackbirdIcteridae451984-4%1970
Yellow WarblerParulidae431984+383%1970
Northern House WrenTroglodytidae36198418×1978
Wilson's SnipeScolopacidae351984+69%1970
Western Wood-PeweeTyrannidae30198412×1971
Barn SwallowHirundinidae291984+3%1970
Dusky FlycatcherTyrannidae291984+142%1983
Evening GrosbeakFringillidae271984+800%1981
Lincoln's SparrowPasserellidae221984-31%1983
MallardAnatidae181984+252%1972
KilldeerCharadriidae171984+88%1970
Red-winged BlackbirdIcteridae171984-54%1970
Ruby-crowned KingletRegulidae151984+65%1972
American CrowCorvidae141984+107%1970
OspreyPandionidae13198411×1978
Bank SwallowHirundinidae121983+387%1970
House FinchFringillidae121980+300%1977
Savannah SparrowPasserellidae121984-14%1983
Willow FlycatcherTyrannidae11198411×1971
Black-headed GrosbeakCardinalidae111984+450%1974
Red-naped SapsuckerPicidae11198411×1980
Swainson's ThrushTurdidae111984-8%1983
MacGillivray's WarblerParulidae101984+900%1982
Western MeadowlarkIcteridae91984-29%1970
Cedar WaxwingBombycillidae91984+80%1983
Cassin's FinchFringillidae81984+43%1976
Bald EagleAccipitridae81984+167%1983
Bullock's OrioleIcteridae81983n/an/a
Hermit ThrushTurdidae81984+33%1983

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