BirdAnalyst
BBS Route · Wyoming · BCR 10

Carter 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 75 species recorded across 7 survey years, still active.

75Species 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 →
7Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2017–2024Span
1Observers

Bird Species Found on Wyoming Carter 2

Top 40 of 75 species by most recent count. Each links to its species trend.

Species recorded on the Carter 2 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
Sage ThrasherMimidae582024+14%2019
Mourning DoveColumbidae422024+14%2019
European StarlingSturnidae332024+103%2019
Vesper SparrowPasserellidae302024+35%2019
Horned LarkAlaudidae272024-21%2019
Red-winged BlackbirdIcteridae272024+90%2019
Cliff SwallowHirundinidae262024+10%2019
House SparrowPasseridae252024+43%2019
Brewer's SparrowPasserellidae242024+58%2019
Yellow-headed BlackbirdIcteridae222024-4%2019
Common NighthawkCaprimulgidae222024-52%2021
Black-billed MagpieCorvidae212024-25%2019
Sandhill CraneGruidae212024+243%2021
Brewer's BlackbirdIcteridae192024+106%2019
Western GrebePodicipedidae192024+61%2021
Western MeadowlarkIcteridae162024+17%2019
American CootRallidae152024-4%2021
Canada GooseAnatidae142024+457%2021
Eared GrebePodicipedidae132024-52%2021
RedheadAnatidae112024+71%2021
Ring-billed GullLaridae92021+0%2018
Marsh WrenTroglodytidae82024+0%2021
White-faced IbisThreskiornithidae72021n/an/a
House FinchFringillidae62022+250%2018
Mountain BluebirdTurdidae62023+8%2019
KilldeerCharadriidae52024+400%2021
Common RavenCorvidae52024-54%2019
Ruddy DuckAnatidae52024-67%2019
American KestrelFalconidae42024+29%2021
Sagebrush SparrowPasserellidae42023-77%2019
Loggerhead ShrikeLaniidae42024-46%2019
American RobinTurdidae42024-9%2019
Common YellowthroatParulidae42024-17%2019
GadwallAnatidae42024+300%2019
Western KingbirdTyrannidae42024n/an/a
Ferruginous HawkAccipitridae32023+50%2019
Say's PhoebeTyrannidae32022+200%2017
Northern PintailAnatidae32022+200%2019
American White PelicanPelecanidae32022n/an/a
Turkey VultureCathartidae32023n/an/a

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