BirdAnalyst
BBS Route · Wyoming · BCR 10

Crazy Woman Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 110 species recorded across 38 survey years, still active.

110Species 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 →
1979–2024Span
4Observers

Bird Species Found on Wyoming Crazy Woman

Top 40 of 110 species by most recent count. Each links to its species trend.

Species recorded on the Crazy Woman 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
American RobinTurdidae542024-32%1981
Ruby-crowned KingletRegulidae412024-10%1982
Chipping SparrowPasserellidae242024-26%1981
Red CrossbillFringillidae232024-53%1981
Lincoln's SparrowPasserellidae182024-22%1981
Mountain ChickadeeParidae182024+700%1981
Western MeadowlarkIcteridae162024-9%1981
Horned LarkAlaudidae152024-60%1981
Dusky FlycatcherTyrannidae132024+129%1981
Mountain BluebirdTurdidae132024-28%1981
Pine SiskinFringillidae122024-87%1981
Tree SwallowHirundinidae122024-45%1981
Vesper SparrowPasserellidae102024-57%1981
Wilson's WarblerParulidae102024+33%1981
Western Wood-PeweeTyrannidae92024-48%1981
Red-winged BlackbirdIcteridae92024-17%1981
Northern House WrenTroglodytidae82024+140%1983
Townsend's SolitaireTurdidae82024-9%1982
Warbling VireoVireonidae72024+64%1981
Red-breasted NuthatchSittidae72024+80%1982
Brown-headed CowbirdIcteridae62024+7%1981
Brewer's BlackbirdIcteridae62024-83%1981
Savannah SparrowPasserellidae62024-27%1982
Hermit ThrushTurdidae62024-40%1991
White-crowned SparrowPasserellidae52024-67%1981
Violet-green SwallowHirundinidae52024+129%1983
Grasshopper SparrowPasserellidae52024+25%2002
Clark's GrebePodicipedidae52004+400%2001
Wild TurkeyPhasianidae52009n/an/a
Northern PintailAnatidae42000+33%1980
Cliff SwallowHirundinidae42024+100%1994
Common RavenCorvidae42024-45%1994
Black-headed GrosbeakCardinalidae42024+100%2007
Hairy WoodpeckerPicidae32024+100%1982
Cassin's FinchFringillidae32024-81%1981
Green-winged TealAnatidae32014-17%1987
Wilson's SnipeScolopacidae32024-18%1982
KilldeerCharadriidae32024-25%1982
Yellow WarblerParulidae32015+50%1987
Blue-winged TealAnatidae32006+200%1993

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