BirdAnalyst
BBS Route · Tennessee · BCR 24

Collinwood Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 112 species recorded across 54 survey years, still active.

112Species 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 →
54Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2025Span
11Observers

Bird Species Found on Tennessee Collinwood

Top 40 of 112 species by most recent count. Each links to its species trend.

Species recorded on the Collinwood 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
European StarlingSturnidae218202519×1968
Cliff SwallowHirundinidae95202579×1977
Indigo BuntingCardinalidae852025+49%1968
Common GrackleIcteridae762025+32%1968
American CrowCorvidae442025+117%1968
Eastern BluebirdTurdidae412025+128%1968
White-eyed VireoVireonidae402025+167%1968
Red-eyed VireoVireonidae352025+400%1968
Northern MockingbirdMimidae332025+108%1968
Barn SwallowHirundinidae322025-16%1968
Tufted TitmouseParidae322025+219%1968
Carolina WrenTroglodytidae312025+271%1968
Mourning DoveColumbidae302025+40%1968
Northern CardinalCardinalidae302025+55%1968
American GoldfinchFringillidae272025+183%1968
American RobinTurdidae26202511×1968
Turkey VultureCathartidae252025+57%1969
Common YellowthroatParulidae242025-10%1968
Chipping SparrowPasserellidae222025+106%1968
Yellow-breasted ChatIcteriidae222025-6%1968
Purple MartinHirundinidae21202518×1972
Acadian FlycatcherTyrannidae202025+900%1968
Brown-headed CowbirdIcteridae202025+35%1968
Wood ThrushTurdidae202025+231%1968
Field SparrowPasserellidae172025-41%1968
Blue GrosbeakCardinalidae152025+188%1969
Red-winged BlackbirdIcteridae142025+131%1968
Eastern MeadowlarkIcteridae142025+11%1968
Summer TanagerCardinalidae142025+17%1968
Blue-gray GnatcatcherPolioptilidae142025+96%1968
Yellow-throated WarblerParulidae142025+725%1976
House FinchFringillidae132025+467%2000
Red-bellied WoodpeckerPicidae122025+145%1968
Eastern KingbirdTyrannidae122025+164%1968
Kentucky WarblerParulidae122025+123%1968
Brown ThrasherMimidae122025+86%1968
Eastern TowheePasserellidae112025-17%1968
Northern ParulaParulidae11202514×1982
Great Crested FlycatcherTyrannidae102025+164%1968
Carolina ChickadeeParidae102025+583%1969

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