BirdAnalyst
BBS Route · Illinois · BCR 22

New Lenox Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 112 species recorded across 39 survey years, still active.

112Species 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 →
39Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2019Span
12Observers

Bird Species Found on Illinois New Lenox

Top 40 of 112 species by most recent count. Each links to its species trend.

Species recorded on the New Lenox 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
American RobinTurdidae1252019+93%1968
Red-winged BlackbirdIcteridae1152019-33%1968
European StarlingSturnidae612019-61%1968
MallardAnatidae572019+406%1969
House SparrowPasseridae512019-62%1968
Common GrackleIcteridae422019-89%1968
Brown-headed CowbirdIcteridae342019+115%1968
Northern CardinalCardinalidae342019+428%1968
Mourning DoveColumbidae292019+4%1968
American GoldfinchFringillidae242019+103%1968
Song SparrowPasserellidae212019-25%1968
KilldeerCharadriidae202019+200%1968
Northern House WrenTroglodytidae202019+96%1968
Chipping SparrowPasserellidae142019+588%1971
House FinchFringillidae142019+114%1991
Canada GooseAnatidae132019-20%2000
Cedar WaxwingBombycillidae122019+31%1970
Blue JayCorvidae82019-51%1968
Gray CatbirdMimidae82019+9%1968
Baltimore OrioleIcteridae72019+78%1968
Common YellowthroatParulidae72019+15%1968
Red-bellied WoodpeckerPicidae72019+140%1975
Black-capped ChickadeeParidae6201911×1969
Chimney SwiftApodidae52019-32%1968
Field SparrowPasserellidae52019-87%1968
Ring-billed GullLaridae52017-78%1982
Rock PigeonColumbidae42019+18%1968
Grasshopper SparrowPasserellidae41990-11%1971
Downy WoodpeckerPicidae42019+500%1972
Marsh WrenTroglodytidae41982+100%1977
Sedge WrenTroglodytidae41984+33%1981
Northern Rough-winged SwallowHirundinidae42019+200%1994
Red-tailed HawkAccipitridae32019+50%1969
Great Crested FlycatcherTyrannidae32019-13%1968
American CrowCorvidae32019-88%1968
BobolinkIcteridae32007-71%1968
Barn SwallowHirundinidae32019-80%1968
Brown ThrasherMimidae32016-91%1968
Blue-winged TealAnatidae31981-14%1969
Savannah SparrowPasserellidae32019-50%1969

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