BBS Route · Illinois · BCR 24

Karnak Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 99 species recorded across 20 survey years, still active.

Bird Species Found on Illinois Karnak

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

Species recorded on the Karnak 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
Indigo BuntingCardinalidae852024-1%2003
Mourning DoveColumbidae782024+53%2003
Red-winged BlackbirdIcteridae632024-42%2003
American CrowCorvidae452024+268%2003
Northern CardinalCardinalidae432024+29%2003
DickcisselCardinalidae302024+17%2003
Barn SwallowHirundinidae282024-61%2003
Turkey VultureCathartidae242024+152%2003
Double-crested CormorantPhalacrocoracidae242013n/an/a
Common YellowthroatParulidae222024-36%2003
Blue GrosbeakCardinalidae192024+600%2003
European StarlingSturnidae162024-77%2003
American GoldfinchFringillidae162024+7%2003
Chipping SparrowPasserellidae142024+129%2003
Carolina WrenTroglodytidae142024+250%2003
Yellow-breasted ChatIcteriidae122024+87%2003
Eastern MeadowlarkIcteridae112024-66%2003
Common GrackleIcteridae102024-79%2003
Field SparrowPasserellidae92024-42%2003
Summer TanagerCardinalidae92024+200%2003
White-eyed VireoVireonidae92023+217%2003
American RobinTurdidae82024-76%2003
Eastern TowheePasserellidae72024-6%2003
Northern BobwhiteOdontophoridae62024-72%2003
Rock PigeonColumbidae62018+10%2004
Yellow-billed CuckooCuculidae62024+14%2003
Red-bellied WoodpeckerPicidae52024-12%2003
Brown-headed CowbirdIcteridae52024-12%2003
Purple MartinHirundinidae52024-39%2003
Northern MockingbirdMimidae52024-41%2003
Eastern BluebirdTurdidae52024+14%2003
Tree SwallowHirundinidae52024+67%2005
Grasshopper SparrowPasserellidae42015-70%2003
Warbling VireoVireonidae42023-13%2003
Tufted TitmouseParidae4202417×2003
Chimney SwiftApodidae42023-28%2004
Black VultureCathartidae42024+222%2005
Blue JayCorvidae32024-70%2003
Cedar WaxwingBombycillidae32010+43%2003
House SparrowPasseridae32024-73%2003

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