BBS Route · Georgia · BCR 27

Big Oak Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 83 species recorded across 16 survey years, still active.

Bird Species Found on Georgia Big Oak

Top 40 of 83 species by most recent count. Each links to its species trend.

Species recorded on the Big Oak 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 CardinalCardinalidae392025+33%2008
Carolina WrenTroglodytidae372025+126%2008
Eastern TowheePasserellidae312025+27%2008
Northern MockingbirdMimidae202025-10%2008
White-eyed VireoVireonidae182025+161%2008
Northern ParulaParulidae182025+129%2008
Western Cattle-EgretArdeidae152025-27%2008
Northern BobwhiteOdontophoridae122025+100%2008
Mourning DoveColumbidae122025-8%2008
Tufted TitmouseParidae122025+0%2008
Great Crested FlycatcherTyrannidae112025-36%2008
Eastern BluebirdTurdidae112025+142%2008
Fish CrowCorvidae102025+333%2009
Barn SwallowHirundinidae102025+171%2008
Red-bellied WoodpeckerPicidae82025+15%2008
Turkey VultureCathartidae72025+90%2008
Blue JayCorvidae72025+41%2008
American CrowCorvidae72025+121%2008
Brown-headed CowbirdIcteridae72025+167%2009
Indigo BuntingCardinalidae72025+100%2008
Blue-gray GnatcatcherPolioptilidae72025+59%2008
Common YellowthroatParulidae62025+143%2011
Pileated WoodpeckerPicidae52025+0%2008
Blue GrosbeakCardinalidae52025+86%2009
Pine WarblerParulidae52025-56%2008
Glossy IbisThreskiornithidae52024+0%2009
Hooded WarblerParulidae42025+56%2008
Eastern KingbirdTyrannidae42024-43%2009
Brown ThrasherMimidae42025+143%2014
Chipping SparrowPasserellidae42023n/an/a
Black VultureCathartidae32024-50%2008
Yellow-billed CuckooCuculidae32025-48%2008
Prothonotary WarblerParulidae32007+50%2006
Hairy WoodpeckerPicidae32024+0%2009
Acadian FlycatcherTyrannidae32023+133%2009
Prairie WarblerParulidae32024-17%2017
Common NighthawkCaprimulgidae32025-41%2018
Northern Rough-winged SwallowHirundinidae32023-67%2016
Yellow WarblerParulidae32012+50%2011
Downy WoodpeckerPicidae32025+0%2022

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