BirdAnalyst
BBS Route · North Carolina · BCR 29

Ostwalt Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 79 species recorded across 9 survey years, still active.

79Species 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 →
9Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2012–2024Span
3Observers

Bird Species Found on North Carolina Ostwalt

Top 40 of 79 species by most recent count. Each links to its species trend.

Species recorded on the Ostwalt 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
Chipping SparrowPasserellidae532024+131%2016
Common GrackleIcteridae492024-35%2016
Northern CardinalCardinalidae462024-7%2016
Northern MockingbirdMimidae462024-37%2016
Mourning DoveColumbidae432024-28%2016
American CrowCorvidae322024-26%2016
Carolina WrenTroglodytidae322024+31%2016
Chimney SwiftApodidae312024+29%2016
American RobinTurdidae242024-29%2016
Carolina ChickadeeParidae192024+193%2016
European StarlingSturnidae182024-51%2016
Black VultureCathartidae172024+61%2016
Indigo BuntingCardinalidae172024-24%2016
Field SparrowPasserellidae162024+41%2016
Barn SwallowHirundinidae162024+23%2016
Red-bellied WoodpeckerPicidae152024+74%2016
Eastern PhoebeTyrannidae152024+160%2016
House FinchFringillidae152024+212%2016
Brown-headed CowbirdIcteridae142024+9%2016
Eastern MeadowlarkIcteridae142024+3%2016
American GoldfinchFringillidae142024+58%2016
Eastern TowheePasserellidae142024+13%2016
Tufted TitmouseParidae142024+23%2016
Canada GooseAnatidae142024+600%2015
Pine WarblerParulidae132024+132%2016
Blue-gray GnatcatcherPolioptilidae132024+53%2016
Eastern BluebirdTurdidae122024-22%2016
Turkey VultureCathartidae112024+191%2016
Blue JayCorvidae112024+10%2016
Brown ThrasherMimidae102024+53%2016
Eastern Wood-PeweeTyrannidae92024+113%2016
Grasshopper SparrowPasserellidae92024+82%2016
House SparrowPasseridae62024-28%2016
Downy WoodpeckerPicidae52024+110%2018
Red-eyed VireoVireonidae52024+33%2016
Common YellowthroatParulidae52024+14%2016
Blue GrosbeakCardinalidae52024-29%2019
Red-shouldered HawkAccipitridae42024+100%2021
Orchard OrioleIcteridae42024+43%2019
Eurasian Collared-DoveColumbidae42024+17%2021

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