BirdAnalyst
BBS Route · Idaho · BCR 10

Cobalt Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 77 species recorded across 26 survey years, still active.

77Species 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 →
26Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1989–2024Span
6Observers

Bird Species Found on Idaho Cobalt

Top 40 of 77 species by most recent count. Each links to its species trend.

Species recorded on the Cobalt 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
Western TanagerCardinalidae472024+306%1991
Pine SiskinFringillidae302024+171%1991
Ruby-crowned KingletRegulidae282024+38%1991
American RobinTurdidae272024-12%1991
Yellow WarblerParulidae192024+125%1991
Mountain ChickadeeParidae192024+42%1991
Warbling VireoVireonidae182024-33%1991
Chipping SparrowPasserellidae142024+50%1991
Hammond's FlycatcherTyrannidae132024+500%2003
Swainson's ThrushTurdidae102024+52%2000
Rock WrenTroglodytidae92024+300%1991
Red-breasted NuthatchSittidae92024+57%1992
Violet-green SwallowHirundinidae82024+63%1995
VeeryTurdidae82015+63%1991
Hermit ThrushTurdidae82015-68%1991
MallardAnatidae72006n/an/a
Evening GrosbeakFringillidae62024-57%1991
Cedar WaxwingBombycillidae52015+0%1994
Vesper SparrowPasserellidae42024+75%1991
Song SparrowPasserellidae42024+200%1991
MacGillivray's WarblerParulidae42024+6%1991
Townsend's SolitaireTurdidae42012+11%1996
Common RavenCorvidae42024+57%2002
Ruffed GrousePhasianidae42024+300%2013
Lazuli BuntingCardinalidae32024-63%1991
Willow FlycatcherTyrannidae32024+200%1991
Orange-crowned WarblerParulidae32013+83%2000
Spotted SandpiperScolopacidae32024+150%1998
Common NighthawkCaprimulgidae22015+0%1992
Dusky FlycatcherTyrannidae22024+33%1991
Clark's NutcrackerCorvidae22015-68%1991
Mountain BluebirdTurdidae22024+267%1998
Spotted TowheePasserellidae22024+25%2002
American DipperCinclidae22013+100%2009
Lincoln's SparrowPasserellidae22024n/an/a
American GoshawkAccipitridae11989n/an/a
Rufous HummingbirdTrochilidae11992-50%1989
Olive-sided FlycatcherTyrannidae12010-33%1990
Cliff SwallowHirundinidae11989n/an/a
Red-tailed HawkAccipitridae12006+0%1990

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