BBS Route · North Carolina · BCR 29

Siloam Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 90 species recorded across 14 survey years, still active.

Bird Species Found on North Carolina Siloam

Top 40 of 90 species by most recent count. Each links to its species trend.

Species recorded on the Siloam 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
Northern CardinalCardinalidae502024-7%2007
Common GrackleIcteridae462024+42%2007
Chipping SparrowPasserellidae412024-3%2007
American CrowCorvidae382024+49%2007
Mourning DoveColumbidae372024+16%2007
Indigo BuntingCardinalidae372024-32%2007
Carolina WrenTroglodytidae342024+7%2007
Northern MockingbirdMimidae282024-8%2007
Tufted TitmouseParidae262024+10%2007
Eastern BluebirdTurdidae222024+11%2007
Barn SwallowHirundinidae212024+32%2007
Cliff SwallowHirundinidae192024+877%2007
House FinchFringillidae182024+5%2007
American RobinTurdidae162024-16%2007
European StarlingSturnidae142024+51%2007
Chimney SwiftApodidae132024+17%2007
Field SparrowPasserellidae132024+20%2007
Northern Rough-winged SwallowHirundinidae132017+43%2007
American GoldfinchFringillidae122024-23%2007
Red-eyed VireoVireonidae122024-46%2007
Brown ThrasherMimidae122024-30%2007
Eastern TowheePasserellidae112024-30%2007
House SparrowPasseridae102024-13%2007
Carolina ChickadeeParidae92024-59%2007
Wood ThrushTurdidae92024-49%2007
KilldeerCharadriidae82024+143%2007
Eastern PhoebeTyrannidae82024+0%2007
Eastern Wood-PeweeTyrannidae82024-44%2007
Blue JayCorvidae82024+17%2007
Common YellowthroatParulidae72024-3%2007
Downy WoodpeckerPicidae62024-4%2007
Red-bellied WoodpeckerPicidae62024-24%2007
Pine WarblerParulidae62024-22%2007
Black VultureCathartidae62024+240%2015
Tree SwallowHirundinidae62024+200%2009
Blue-gray GnatcatcherPolioptilidae52024-73%2007
White-eyed VireoVireonidae52024+267%2012
Brown-headed CowbirdIcteridae42024-38%2007
White-breasted NuthatchSittidae42024-18%2007
Wood DuckAnatidae42016+100%2011

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