BirdAnalyst
BBS Route · Colorado · BCR 16

Moffat Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 102 species recorded across 46 survey years, still active.

102Species 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 →
46Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1970–2024Span
17Observers

Bird Species Found on Colorado Moffat

Top 40 of 102 species by most recent count. Each links to its species trend.

Species recorded on the Moffat 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
Bewick's WrenTroglodytidae461987+140%1984
Red-winged BlackbirdIcteridae422024-38%1972
Western MeadowlarkIcteridae402024-63%1972
Common RavenCorvidae392024+126%1973
Horned LarkAlaudidae372024-21%1972
Mourning DoveColumbidae282024-12%1972
Cliff SwallowHirundinidae222024-50%1972
Black-billed MagpieCorvidae212024-37%1972
Band-tailed PigeonColumbidae171998+325%1980
Swainson's HawkAccipitridae152024+660%1975
European StarlingSturnidae152024-69%1974
Brewer's BlackbirdIcteridae152024-53%1972
Vesper SparrowPasserellidae152024+633%1974
Sage ThrasherMimidae132024-29%1972
American CrowCorvidae122024+260%1992
White-faced IbisThreskiornithidae121999+0%1991
Barn SwallowHirundinidae82024-69%1972
Western BluebirdTurdidae71993+250%1978
Chipping SparrowPasserellidae62006+81%1984
Canada GooseAnatidae62019-46%1989
Green-tailed TowheePasserellidae52023+75%1978
Brewer's SparrowPasserellidae52024-78%1973
Tree SwallowHirundinidae52024-11%1975
House SparrowPasseridae52024+413%1975
Northern Rough-winged SwallowHirundinidae52003+78%1994
Cinnamon TealAnatidae42017-56%1974
Northern PintailAnatidae41995-36%1976
Grasshopper SparrowPasserellidae42016-91%2013
KilldeerCharadriidae32023-91%1972
Wilson's SnipeScolopacidae32024+29%1974
Common GrackleIcteridae32019+100%2010
American CootRallidae31995+50%1993
Marsh WrenTroglodytidae31995+50%1993
Eurasian Collared-DoveColumbidae32024-40%2013
MallardAnatidae22024-83%1974
Northern ShovelerAnatidae21987+50%1972
American AvocetRecurvirostridae22013+63%1975
Northern HarrierAccipitridae22015+67%1977
American KestrelFalconidae22022-84%1972
Song SparrowPasserellidae22024-83%1974

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