BirdAnalyst
BBS Route · Wyoming · BCR 10

Fontenelle Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 120 species recorded across 38 survey years, still active.

120Species 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 →
1982–2025Span
5Observers

Bird Species Found on Wyoming Fontenelle

Top 40 of 120 species by most recent count. Each links to its species trend.

Species recorded on the Fontenelle 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
Canada GooseAnatidae389202547×1984
American White PelicanPelecanidae652025+368%1991
Wilson's PhalaropeScolopacidae46202511×1987
Brewer's BlackbirdIcteridae242025-73%1984
European StarlingSturnidae222025-9%1984
Red-winged BlackbirdIcteridae212025-11%1984
Sage ThrasherMimidae212025-55%1984
Song SparrowPasserellidae182025+115%1984
Cliff SwallowHirundinidae172025-68%1987
Yellow WarblerParulidae152025-41%1984
Mourning DoveColumbidae132025-49%1984
Western MeadowlarkIcteridae132025-46%1984
Black-billed MagpieCorvidae122025+129%1984
Vesper SparrowPasserellidae122025+255%1984
Savannah SparrowPasserellidae122025-9%1984
Double-crested CormorantPhalacrocoracidae102024+77%1989
Pine SiskinFringillidae101984n/an/a
Wilson's SnipeScolopacidae92025-26%1984
Ring-billed GullLaridae82024+435%1984
Northern Rough-winged SwallowHirundinidae82024+100%1995
Sandhill CraneGruidae72025+307%1984
Brown-headed CowbirdIcteridae72025-57%1984
Brewer's SparrowPasserellidae72025-33%1984
Barn SwallowHirundinidae72025-58%1984
Violet-green SwallowHirundinidae72025-17%1984
American RobinTurdidae72025-65%1984
RedheadAnatidae72021-77%2016
Common RavenCorvidae62025+200%1984
American CrowCorvidae62025-69%1984
Common NighthawkCaprimulgidae52025+200%1984
Common GrackleIcteridae51992+75%1983
Cinnamon TealAnatidae52016+200%1989
Rock WrenTroglodytidae52025-67%1987
Western Wood-PeweeTyrannidae52025+100%1994
Bald EagleAccipitridae52025+40%2012
Trumpeter SwanAnatidae52025-20%2016
MallardAnatidae42025+6%1987
Horned LarkAlaudidae42025-11%1988
Black-headed GrosbeakCardinalidae42025+125%1993
Northern House WrenTroglodytidae42025+114%1984

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