BirdAnalyst
BBS Route · Illinois · BCR 22

Lake Summerset Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 20 survey years, still active.

97Species 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 →
20Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2001–2022Span
1Observers

Bird Species Found on Illinois Lake Summerset

Top 40 of 97 species by most recent count. Each links to its species trend.

Species recorded on the Lake Summerset 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 BlackbirdIcteridae1132022-53%2003
American RobinTurdidae802022-40%2003
Northern CardinalCardinalidae462022+13%2003
Mourning DoveColumbidae432022-53%2003
European StarlingSturnidae402022-61%2003
House SparrowPasseridae382022-61%2003
Northern House WrenTroglodytidae382022-25%2003
Canada GooseAnatidae372019+174%2004
Song SparrowPasserellidae242022-39%2003
KilldeerCharadriidae192022-45%2003
American CrowCorvidae182022-55%2003
Brown-headed CowbirdIcteridae182022-30%2003
Chipping SparrowPasserellidae182022-36%2003
Indigo BuntingCardinalidae182022-36%2003
Barn SwallowHirundinidae172022-42%2003
DickcisselCardinalidae122022+0%2003
Gray CatbirdMimidae112022-3%2003
Common GrackleIcteridae102022-74%2003
American GoldfinchFringillidae102022-51%2003
Red-bellied WoodpeckerPicidae92022+25%2003
Eastern MeadowlarkIcteridae92022-26%2003
Baltimore OrioleIcteridae92022-51%2003
House FinchFringillidae82022-21%2003
Common YellowthroatParulidae82022+59%2003
Blue JayCorvidae72022-50%2003
Great EgretArdeidae72008+133%2004
Eastern Wood-PeweeTyrannidae52022-10%2003
Tree SwallowHirundinidae52022+89%2003
Sandhill CraneGruidae52022+43%2013
Rock PigeonColumbidae42022-78%2003
Red-headed WoodpeckerPicidae42022+67%2003
Great Crested FlycatcherTyrannidae42022-29%2003
White-breasted NuthatchSittidae42022-17%2003
Yellow-billed CuckooCuculidae42019-20%2007
Downy WoodpeckerPicidae32022-68%2003
Eastern KingbirdTyrannidae32022-13%2003
Horned LarkAlaudidae32022-3%2003
Cedar WaxwingBombycillidae32022-85%2003
Yellow WarblerParulidae32022+0%2003
Tufted TitmouseParidae32014+25%2005

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