BirdAnalyst
BBS Route · Wyoming · BCR 10

Ryegrass Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 60 species recorded across 24 survey years, still active.

60Species 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 →
24Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1990–2024Span
5Observers

Bird Species Found on Wyoming Ryegrass

Top 40 of 60 species by most recent count. Each links to its species trend.

Species recorded on the Ryegrass 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
Brewer's SparrowPasserellidae1102024+55%1997
Vesper SparrowPasserellidae652024+197%1997
Sage ThrasherMimidae622024-16%1996
Horned LarkAlaudidae462024+33%1996
Bank SwallowHirundinidae252017+46%1996
WilletScolopacidae222024+130%1996
Western MeadowlarkIcteridae192024+330%1996
Greater Sage-GrousePhasianidae122024-36%1999
Rock PigeonColumbidae71990n/an/a
KilldeerCharadriidae62024+40%1996
Red-winged BlackbirdIcteridae62024+83%2000
Wilson's SnipeScolopacidae52024-53%1996
Cliff SwallowHirundinidae52018+2%2007
Northern Rough-winged SwallowHirundinidae52023+150%2021
Common RavenCorvidae42024-54%1996
Lark BuntingPasserellidae42004n/an/a
Brewer's BlackbirdIcteridae32024-50%1996
American RobinTurdidae32023+15%1997
Mourning DoveColumbidae32024-72%1997
White-crowned SparrowPasserellidae32009+67%2007
MallardAnatidae22024+67%1997
Common GrackleIcteridae21990n/an/a
Yellow WarblerParulidae22024+100%1996
Green-winged TealAnatidae22009-33%1996
Yellow-headed BlackbirdIcteridae22006+0%1997
Canada GooseAnatidae22018+0%1997
Tree SwallowHirundinidae22021+133%2007
Long-billed CurlewScolopacidae22022+125%2016
Red-tailed HawkAccipitridae22024-20%2004
Black-billed MagpieCorvidae22023-43%2006
American AvocetRecurvirostridae22009+100%2007
Trumpeter SwanAnatidae22016n/an/a
GadwallAnatidae22017n/an/a
Barn SwallowHirundinidae22024-33%2019
Sandhill CraneGruidae12024-81%1996
Northern HarrierAccipitridae12024-25%2000
Common NighthawkCaprimulgidae12023+17%1997
Chipping SparrowPasserellidae12006-82%1997
Swainson's HawkAccipitridae12022-29%1997
Golden EagleAccipitridae12017-40%2003

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