BirdAnalyst
BBS Route · Georgia · BCR 27

Thornton Road Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 68 species recorded across 16 survey years, still active.

68Species 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 →
16Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2005–2025Span
2Observers

Bird Species Found on Georgia Thornton Road

Top 40 of 68 species by most recent count. Each links to its species trend.

Species recorded on the Thornton Road 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 MockingbirdMimidae462025+96%2007
Northern CardinalCardinalidae452025+12%2007
Eastern TowheePasserellidae412025-28%2007
Mourning DoveColumbidae382025+9%2007
Carolina WrenTroglodytidae362025+113%2007
Northern BobwhiteOdontophoridae252025-3%2007
Great Crested FlycatcherTyrannidae112025-24%2007
Blue JayCorvidae112025-17%2007
White-eyed VireoVireonidae102025+136%2007
Purple MartinHirundinidae92025+71%2010
Blue GrosbeakCardinalidae92025n/an/a
Tufted TitmouseParidae82025+22%2007
White IbisThreskiornithidae8202511×2015
Canada GooseAnatidae82016n/an/a
Barn SwallowHirundinidae82025+300%2024
Red-bellied WoodpeckerPicidae72025-37%2007
Pine WarblerParulidae72025-59%2007
Great EgretArdeidae62025+200%2008
Red-winged BlackbirdIcteridae62025+93%2007
Eastern BluebirdTurdidae62025+100%2007
Brown ThrasherMimidae62025+100%2009
Downy WoodpeckerPicidae62025+200%2014
Common GrackleIcteridae62025+200%2016
Loggerhead ShrikeLaniidae62025+500%2024
Turkey VultureCathartidae62025n/an/a
Western Cattle-EgretArdeidae52019-46%2007
Great Blue HeronArdeidae42019+100%2005
Red-tailed HawkAccipitridae42018+0%2007
Eastern KingbirdTyrannidae42025+175%2010
European StarlingSturnidae42025+33%2014
Common NighthawkCaprimulgidae42024n/an/a
House FinchFringillidae42024n/an/a
Blue-gray GnatcatcherPolioptilidae42025n/an/a
Indigo BuntingCardinalidae32025-73%2007
Common YellowthroatParulidae32025+0%2007
KilldeerCharadriidae32025-14%2011
Ruby-throated HummingbirdTrochilidae32006n/an/a
Black VultureCathartidae32024+67%2009
Summer TanagerCardinalidae32025+100%2012
House SparrowPasseridae32016+340%2009

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