BirdAnalyst
BBS Route · Illinois · BCR 22

Rosamond Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 90 species recorded across 49 survey years, still active.

90Species 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 →
49Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1972–2025Span
3Observers

Bird Species Found on Illinois Rosamond

Top 40 of 90 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 BlackbirdIcteridae1162025-17%1978
Common GrackleIcteridae682025-15%1978
American RobinTurdidae622025+137%1978
DickcisselCardinalidae552025+76%1978
Mourning DoveColumbidae542025+153%1978
House SparrowPasseridae382025-78%1978
KilldeerCharadriidae342025+756%1979
European StarlingSturnidae322025-40%1978
Barn SwallowHirundinidae162025-6%1978
Eurasian Collared-DoveColumbidae162025+489%2005
Horned LarkAlaudidae152025-74%1978
American CrowCorvidae132025+325%1981
Canada GooseAnatidae122023+9%1998
Brown-headed CowbirdIcteridae112025+106%1978
Northern House WrenTroglodytidae112025+211%1978
Eastern MeadowlarkIcteridae102025-73%1978
Indigo BuntingCardinalidae102025+26%1978
Song SparrowPasserellidae82025-72%1978
Northern CardinalCardinalidae82025+58%1978
Ring-necked PheasantPhasianidae72025-19%1978
Common YellowthroatParulidae72025+31%1978
Chipping SparrowPasserellidae72025+156%1987
Cliff SwallowHirundinidae72025+600%2004
American GoldfinchFringillidae62025-20%1979
Gray CatbirdMimidae42025+0%1978
Rock PigeonColumbidae32025-71%1978
Chimney SwiftApodidae32024-73%1978
Great Crested FlycatcherTyrannidae32025+100%1984
Brown ThrasherMimidae32025+80%1978
Field SparrowPasserellidae32025+200%1980
Rose-breasted GrosbeakCardinalidae32025+125%1981
House FinchFringillidae32025+100%1992
Western Cattle-EgretArdeidae21972n/an/a
Eastern KingbirdTyrannidae22025-33%1978
Eastern Wood-PeweeTyrannidae22025+0%1978
Purple MartinHirundinidae22025+0%1985
Warbling VireoVireonidae22025+33%1986
Black-billed CuckooCuculidae21978n/an/a
Tufted TitmouseParidae22023+0%1983
Red-bellied WoodpeckerPicidae22025+100%1987

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