BirdAnalyst
BBS Route · Wyoming · BCR 17

Dwyer Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 73 species recorded across 11 survey years, still active.

73Species 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 →
11Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2025Span
5Observers

Bird Species Found on Wyoming Dwyer

Top 40 of 73 species by most recent count. Each links to its species trend.

Species recorded on the Dwyer 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
Northern Rough-winged SwallowHirundinidae1622017+156%1996
Western MeadowlarkIcteridae952025-51%1995
Cliff SwallowHirundinidae482025-74%1995
Lark BuntingPasserellidae402025-46%1995
House SparrowPasseridae372025-59%1995
Rock PigeonColumbidae362025-4%1996
European StarlingSturnidae352025-20%1995
Canada GooseAnatidae342025n/an/a
KilldeerCharadriidae322025+168%1996
Lark SparrowPasserellidae312025-81%1995
Red-winged BlackbirdIcteridae272025-69%1995
Eurasian Collared-DoveColumbidae212025n/an/a
Mourning DoveColumbidae202025-54%1995
Brewer's BlackbirdIcteridae202025+222%1995
Common NighthawkCaprimulgidae172025-41%1995
Horned LarkAlaudidae172025-49%1995
Common GrackleIcteridae172025-10%1995
Yellow WarblerParulidae142025+200%2008
American CootRallidae131992n/an/a
Western KingbirdTyrannidae132025-58%1995
American RobinTurdidae132025-41%1995
Yellow-headed BlackbirdIcteridae102016+233%1992
Great Horned OwlStrigidae91992n/an/a
Bullock's OrioleIcteridae92025+67%1996
Barn SwallowHirundinidae82025+140%1995
Brown-headed CowbirdIcteridae62025+133%1994
American GoldfinchFringillidae62025+200%1994
Sandhill CraneGruidae62017+200%2006
Tree SwallowHirundinidae52025n/an/a
Eastern KingbirdTyrannidae42025-46%1995
Spotted TowheePasserellidae42025+39%1995
Blue GrosbeakCardinalidae41995+100%1994
Grasshopper SparrowPasserellidae42025+300%1996
Common RavenCorvidae42025n/an/a
Western GrebePodicipedidae32025+71%1995
Red-tailed HawkAccipitridae32025+33%1996
Vesper SparrowPasserellidae32025-38%2008
Say's PhoebeTyrannidae32025+125%2008
Western Wood-PeweeTyrannidae32025n/an/a
Common MerganserAnatidae21992n/an/a

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