BirdAnalyst
BBS Route · North Carolina · BCR 29

Ostwalt Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 81 species recorded across 10 survey years, still active.

81Species 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 →
10Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2012–2025Span
3Observers

Bird Species Found on North Carolina Ostwalt

Top 40 of 81 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 SparrowPasserellidae512025+139%2016
European StarlingSturnidae442025-42%2016
Northern CardinalCardinalidae412025-5%2016
Mourning DoveColumbidae262025-27%2016
Northern MockingbirdMimidae262025-45%2016
Indigo BuntingCardinalidae242025-20%2016
Carolina WrenTroglodytidae232025+17%2016
American RobinTurdidae212025-31%2016
Black VultureCathartidae202025+74%2016
American CrowCorvidae192025-32%2016
Common GrackleIcteridae192025-36%2016
Chimney SwiftApodidae142025+20%2016
Field SparrowPasserellidae142025+38%2016
Canada GooseAnatidae142024+600%2015
Blue-gray GnatcatcherPolioptilidae132025+79%2016
Eastern TowheePasserellidae122025+18%2016
Carolina ChickadeeParidae122025+173%2016
Turkey VultureCathartidae112024+191%2016
Brown ThrasherMimidae112025+47%2016
Tufted TitmouseParidae112025+23%2016
Red-bellied WoodpeckerPicidae92025+63%2016
Eastern PhoebeTyrannidae92025+160%2016
Eastern MeadowlarkIcteridae92025-10%2016
American GoldfinchFringillidae82025+35%2016
Brown-headed NuthatchSittidae82025+31%2019
Brown-headed CowbirdIcteridae72025+9%2016
House FinchFringillidae72025+124%2016
Barn SwallowHirundinidae72025+14%2016
Eastern BluebirdTurdidae72025-42%2016
Blue GrosbeakCardinalidae72025-25%2019
Pine WarblerParulidae62025+100%2016
Blue JayCorvidae52025-3%2016
Yellow-billed CuckooCuculidae42025-36%2018
Grasshopper SparrowPasserellidae42025+64%2016
Common YellowthroatParulidae42025+43%2016
Red-shouldered HawkAccipitridae42024+100%2021
Orchard OrioleIcteridae42024+43%2019
Eurasian Collared-DoveColumbidae42024+17%2021
Downy WoodpeckerPicidae32025+70%2018
Eastern Wood-PeweeTyrannidae32025+100%2016

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