BirdAnalyst
BBS Route · Illinois · BCR 22

Deer Creek Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 99 species recorded across 50 survey years, still active.

99Species 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 →
50Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2024Span
7Observers

Bird Species Found on Illinois Deer Creek

Top 40 of 99 species by most recent count. Each links to its species trend.

Species recorded on the Deer Creek 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 BlackbirdIcteridae1132024+13%1968
House SparrowPasseridae662024-36%1968
Cliff SwallowHirundinidae552024+475%2005
European StarlingSturnidae532024-61%1968
American RobinTurdidae532024+169%1968
DickcisselCardinalidae342024-19%1968
Mourning DoveColumbidae252024-25%1968
Barn SwallowHirundinidae242024-10%1968
Northern House WrenTroglodytidae212024+63%1968
Common GrackleIcteridae182024-73%1968
KilldeerCharadriidae172024+643%1968
Common YellowthroatParulidae152024+32%1968
Indigo BuntingCardinalidae142024+22%1968
Brown-headed CowbirdIcteridae132024+22%1968
Northern CardinalCardinalidae132024-8%1968
Chipping SparrowPasserellidae132024+363%1982
Eastern MeadowlarkIcteridae122024-76%1968
Horned LarkAlaudidae112024-73%1968
American CrowCorvidae102024-31%1968
American GoldfinchFringillidae92024+29%1968
Tufted TitmouseParidae92024+178%1968
White-breasted NuthatchSittidae92024+250%1985
Red-bellied WoodpeckerPicidae82024+280%1968
Song SparrowPasserellidae82024-64%1968
Gray CatbirdMimidae62024+125%1968
Rose-breasted GrosbeakCardinalidae62024+275%1969
Eurasian Collared-DoveColumbidae62024-10%2009
Chimney SwiftApodidae52024-84%1968
Eastern Wood-PeweeTyrannidae52024+186%1968
Eastern PhoebeTyrannidae52024+267%1992
Wood ThrushTurdidae52024+200%1987
Tree SwallowHirundinidae52021-67%2010
Cedar WaxwingBombycillidae52024+33%1997
Rock PigeonColumbidae42024-66%1968
American KestrelFalconidae42023+120%1982
Downy WoodpeckerPicidae42024+100%1969
Blue JayCorvidae42024-71%1968
Field SparrowPasserellidae42024-67%1968
Northern Rough-winged SwallowHirundinidae42024+22%1984
Baltimore OrioleIcteridae42024+75%1973

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