BBS Route · Georgia · BCR 27

Boston Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 106 species recorded across 50 survey years, still active.

Bird Species Found on Georgia Boston

Top 40 of 106 species by most recent count. Each links to its species trend.

Species recorded on the Boston 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
Western Cattle-EgretArdeidae1082025+415%1977
Northern CardinalCardinalidae802025+57%1977
American CrowCorvidae762025+118%1977
Mourning DoveColumbidae722025+11%1977
Red-winged BlackbirdIcteridae662025-54%1977
Northern MockingbirdMimidae532025+14%1977
Northern BobwhiteOdontophoridae462025-6%1977
Carolina WrenTroglodytidae452025+517%1977
White IbisThreskiornithidae442025+407%1986
Indigo BuntingCardinalidae432025+15%1977
Blue JayCorvidae362025+12%1977
Great Crested FlycatcherTyrannidae33202516×1977
Eastern TowheePasserellidae282025+12%1977
Tufted TitmouseParidae252025+946%1980
Purple MartinHirundinidae24202516×1983
Common YellowthroatParulidae232025+241%1977
Eastern BluebirdTurdidae22202523×1981
Red-headed WoodpeckerPicidae212025+288%1978
Yellow-breasted ChatIcteriidae202025+200%1978
Blue GrosbeakCardinalidae182025+820%1977
Eastern KingbirdTyrannidae172025+233%1978
Red-bellied WoodpeckerPicidae142025+26%1977
Orchard OrioleIcteridae132025+300%1977
Pine WarblerParulidae132025+467%1978
Common Ground DoveColumbidae122025-3%1977
Field SparrowPasserellidae122025+467%1977
White-eyed VireoVireonidae112025+260%1977
Northern ParulaParulidae102025+567%1977
Bachman's SparrowPasserellidae10202511×1979
Carolina ChickadeeParidae92024+283%1980
Common GrackleIcteridae72025-84%1977
Barn SwallowHirundinidae62025+42%1986
Yellow-throated VireoVireonidae62025+400%1981
Downy WoodpeckerPicidae62025+150%1993
Fish CrowCorvidae62025-48%1994
White-breasted NuthatchSittidae62024+425%1994
Brown-headed CowbirdIcteridae52025+460%1978
Turkey VultureCathartidae52025+200%1996
House FinchFringillidae52025-15%2003
Canada GooseAnatidae5202517×2013

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