BBS Route · Illinois · BCR 24

Karnak Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 102 species recorded across 21 survey years, still active.

Bird Species Found on Illinois Karnak

Top 40 of 102 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
Red-winged BlackbirdIcteridae842025-45%2003
European StarlingSturnidae542025-47%2003
Indigo BuntingCardinalidae542025-10%2003
American CrowCorvidae482025+303%2003
Mourning DoveColumbidae462025+41%2003
Turkey VultureCathartidae322025+267%2003
DickcisselCardinalidae282025-7%2003
Double-crested CormorantPhalacrocoracidae242013n/an/a
Barn SwallowHirundinidae202025-52%2003
Common YellowthroatParulidae202025-33%2003
Brown-headed CowbirdIcteridae172025-3%2003
Eastern MeadowlarkIcteridae172025-64%2003
Northern CardinalCardinalidae172025+17%2003
Eastern BluebirdTurdidae172025+82%2003
Field SparrowPasserellidae142025-42%2003
American RobinTurdidae142025-73%2003
Yellow-breasted ChatIcteriidae122025+61%2003
Purple MartinHirundinidae112025-33%2003
Northern MockingbirdMimidae102025-50%2003
White-eyed VireoVireonidae92025+317%2003
Tufted TitmouseParidae8202512×2003
Great EgretArdeidae82025+150%2006
Red-bellied WoodpeckerPicidae72025-8%2003
Chipping SparrowPasserellidae72025+100%2003
Eastern TowheePasserellidae72025+17%2003
Carolina WrenTroglodytidae72025+250%2003
Canada GooseAnatidae72025n/an/a
Rock PigeonColumbidae62018+10%2004
Yellow-billed CuckooCuculidae62024+14%2003
Brown ThrasherMimidae62025-47%2003
Great Crested FlycatcherTyrannidae62025+140%2006
Common GrackleIcteridae52025-75%2003
Blue GrosbeakCardinalidae52025+467%2003
Tree SwallowHirundinidae52024+67%2005
Acadian FlycatcherTyrannidae52025+167%2008
Northern BobwhiteOdontophoridae42025-78%2003
American GoldfinchFringillidae42025-7%2003
Grasshopper SparrowPasserellidae42015-70%2003
Warbling VireoVireonidae42023-13%2003
Black VultureCathartidae42025+44%2005

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