BBS Route · Pennsylvania · BCR 28

Garrett Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 122 species recorded across 53 survey years, still active.

Bird Species Found on Pennsylvania Garrett

Top 40 of 122 species by most recent count. Each links to its species trend.

Species recorded on the Garrett 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
Red-winged BlackbirdIcteridae472025-32%1973
American CrowCorvidae382025+16%1973
Red-eyed VireoVireonidae292025+23%1973
American RobinTurdidae292025-69%1973
Barn SwallowHirundinidae282025+40%1973
Song SparrowPasserellidae252025+40%1973
Rock PigeonColumbidae252025+336%1979
Common YellowthroatParulidae232025+69%1974
American GoldfinchFringillidae192025-59%1973
Mourning DoveColumbidae182025+293%1973
Purple MartinHirundinidae162025-13%1971
Gray CatbirdMimidae152025-43%1973
Indigo BuntingCardinalidae142025-36%1973
Cliff SwallowHirundinidae132025+850%1978
European StarlingSturnidae112025-63%1973
Eastern TowheePasserellidae112025-25%1973
OvenbirdParulidae112025+238%1973
Chipping SparrowPasserellidae92025-58%1973
Field SparrowPasserellidae92025-75%1973
Tree SwallowHirundinidae82025+125%1987
Northern CardinalCardinalidae72025-36%1973
BobolinkIcteridae62025-29%1974
Scarlet TanagerCardinalidae62025-22%1974
Tufted TitmouseParidae62025+25%1973
Wood ThrushTurdidae62025-68%1973
Brown-headed CowbirdIcteridae52025-77%1973
Yellow WarblerParulidae52025+53%1973
Northern House WrenTroglodytidae52025-42%1974
Chestnut-sided WarblerParulidae52025+217%1975
American RedstartParulidae42025-39%1975
House FinchFringillidae42024+100%1983
Chimney SwiftApodidae32025-50%1974
Eastern PhoebeTyrannidae32025+260%1973
Blue JayCorvidae32025-55%1973
Common GrackleIcteridae32025-93%1973
Cedar WaxwingBombycillidae32025-39%1973
KilldeerCharadriidae32025+25%1974
Savannah SparrowPasserellidae32023-46%1974
Yellow-billed CuckooCuculidae32023-22%1978
Black-and-white WarblerParulidae32025+20%1979

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