BirdAnalyst
BBS Route · Idaho · BCR 10

Challis Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 113 species recorded across 44 survey years, still active.

113Species 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 →
44Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1975–2025Span
5Observers

Bird Species Found on Idaho Challis

Top 40 of 113 species by most recent count. Each links to its species trend.

Species recorded on the Challis 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
Yellow WarblerParulidae592025+107%1977
Warbling VireoVireonidae562025+614%1977
Song SparrowPasserellidae502025+140%1977
American RobinTurdidae452025-3%1977
Pine SiskinFringillidae422025+119%1977
VeeryTurdidae342025+49%1977
Violet-green SwallowHirundinidae312025+488%1979
Brewer's SparrowPasserellidae172025+207%1977
Lazuli BuntingCardinalidae162025+41%1977
Western Wood-PeweeTyrannidae142025+367%1992
Ruby-crowned KingletRegulidae132025+700%1979
American CrowCorvidae122025+117%1977
Chipping SparrowPasserellidae112025+163%1978
Western TanagerCardinalidae102025+625%1980
Gray CatbirdMimidae102025+300%1981
Dusky FlycatcherTyrannidae102025+540%1982
Vesper SparrowPasserellidae92025+164%1978
Willow FlycatcherTyrannidae82025-10%1977
Swainson's ThrushTurdidae82025+280%2000
Cedar WaxwingBombycillidae82025+30%2000
Hermit ThrushTurdidae62025-7%1977
Tree SwallowHirundinidae62024+167%1984
Townsend's SolitaireTurdidae62011+200%1983
Brown-headed CowbirdIcteridae62025+33%1988
Wilson's SnipeScolopacidae52025+67%1977
Black-billed MagpieCorvidae52025+25%1977
Red-winged BlackbirdIcteridae52025+60%1977
White-crowned SparrowPasserellidae52025+125%1977
MacGillivray's WarblerParulidae52025+83%1977
Black-headed GrosbeakCardinalidae52025+333%1983
Northern Rough-winged SwallowHirundinidae52019+60%1979
Northern House WrenTroglodytidae52025+360%1984
Wilson's PhalaropeScolopacidae51989n/an/a
ChukarPhasianidae52025+50%2004
Red-naped SapsuckerPicidae42025+200%1986
Brewer's BlackbirdIcteridae42024-32%1977
Common YellowthroatParulidae42012+200%1981
Canada JayCorvidae42021+200%1980
Rock PigeonColumbidae42012+300%1983
Hammond's FlycatcherTyrannidae42025+300%2001

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