BirdAnalyst
BBS Route · Illinois · BCR 22

Rosamond Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 89 species recorded across 48 survey years, still active.

89Species 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 →
48Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1972–2024Span
3Observers

Bird Species Found on Illinois Rosamond

Top 40 of 89 species by most recent count. Each links to its species trend.

Species recorded on the Rosamond 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
Red-winged BlackbirdIcteridae922024-26%1978
Common GrackleIcteridae612024-20%1978
Mourning DoveColumbidae582024+155%1978
American RobinTurdidae572024+123%1978
DickcisselCardinalidae492024+63%1978
House SparrowPasseridae332024-79%1978
European StarlingSturnidae302024-14%1978
KilldeerCharadriidae222024+678%1979
Barn SwallowHirundinidae202024-10%1978
Eurasian Collared-DoveColumbidae192024+456%2005
Brown-headed CowbirdIcteridae172024+147%1978
Ring-necked PheasantPhasianidae152024+7%1978
American CrowCorvidae152024+383%1981
Eastern MeadowlarkIcteridae122024-79%1978
Northern CardinalCardinalidae122024+90%1978
Canada GooseAnatidae122023+9%1998
Indigo BuntingCardinalidae112024+35%1978
Chipping SparrowPasserellidae112024+167%1987
Horned LarkAlaudidae92024-79%1978
Northern House WrenTroglodytidae72024+211%1978
Common YellowthroatParulidae62024+38%1978
Rock PigeonColumbidae52024-68%1978
American GoldfinchFringillidae52023-40%1979
Song SparrowPasserellidae42024-75%1978
Brown ThrasherMimidae42024+60%1978
Rose-breasted GrosbeakCardinalidae42024+75%1981
House FinchFringillidae42024+125%1992
Chimney SwiftApodidae32024-73%1978
Gray CatbirdMimidae32024-11%1978
Purple MartinHirundinidae32011-17%1985
Great Blue HeronArdeidae32021+17%2005
Western Cattle-EgretArdeidae21972n/an/a
Great Crested FlycatcherTyrannidae22024+50%1984
Blue JayCorvidae22024+29%1978
Field SparrowPasserellidae22024+133%1980
Black-billed CuckooCuculidae21978n/an/a
Tufted TitmouseParidae22023+0%1983
Red-bellied WoodpeckerPicidae22024+100%1987
Red-eyed VireoVireonidae21980n/an/a
Cedar WaxwingBombycillidae22023+17%1995

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