BirdAnalyst
BBS Route · Wyoming · BCR 10

Midvale Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 104 species recorded across 20 survey years, still active.

104Species 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 →
20Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1974–2025Span
7Observers

Bird Species Found on Wyoming Midvale

Top 40 of 104 species by most recent count. Each links to its species trend.

Species recorded on the Midvale 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
Lark BuntingPasserellidae832025+190%1976
House SparrowPasseridae622025+3%1976
Western MeadowlarkIcteridae552025+30%1976
Red-winged BlackbirdIcteridae482025+116%1976
European StarlingSturnidae40202518×1976
Horned LarkAlaudidae372025+140%1987
Mourning DoveColumbidae332025+126%1976
American RobinTurdidae322025+303%1976
California GullLaridae292025-14%1976
Ring-billed GullLaridae292022+93%2017
Common GrackleIcteridae252025+287%1976
American White PelicanPelecanidae232025-48%1993
MallardAnatidae222025-21%1987
Western Wood-PeweeTyrannidae192025+253%1990
Yellow WarblerParulidae162025+344%1987
Rock PigeonColumbidae122022+80%1988
Eurasian Collared-DoveColumbidae122025+14%2022
Canada GooseAnatidae111995+246%1976
Wilson's SnipeScolopacidae112024-24%1988
KilldeerCharadriidae92025+19%1976
Ring-necked PheasantPhasianidae92025+162%1989
Western KingbirdTyrannidae92025+72%1989
Brown-headed CowbirdIcteridae82025+139%1988
Eastern KingbirdTyrannidae82025+94%1989
Western GrebePodicipedidae81996+300%1993
Vesper SparrowPasserellidae72025+11%1988
Rock WrenTroglodytidae72022+71%1987
Common RavenCorvidae72025+27%1994
Cedar WaxwingBombycillidae72025+250%1996
Barn SwallowHirundinidae62025+146%1976
Brewer's SparrowPasserellidae62025+267%1987
Bullock's OrioleIcteridae62025+41%1989
Lark SparrowPasserellidae62025+44%1989
Forster's TernLaridae61996n/an/a
Song SparrowPasserellidae62025+29%2022
Brewer's BlackbirdIcteridae52025+51%1976
Sage ThrasherMimidae52025-25%1976
Savannah SparrowPasserellidae52025+186%1994
Common YellowthroatParulidae52025+11%1996
Bank SwallowHirundinidae42025-20%1999

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