BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Schaefferstown 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 105 species recorded across 19 survey years, still active.

105Species 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 →
19Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2002–2024Span
3Observers

Bird Species Found on Pennsylvania Schaefferstown 2

Top 40 of 105 species by most recent count. Each links to its species trend.

Species recorded on the Schaefferstown 2 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
American RobinTurdidae1072024+23%2005
Common GrackleIcteridae1052024+7%2005
European StarlingSturnidae882024+102%2005
House SparrowPasseridae692024-15%2005
Gray CatbirdMimidae642024+685%2005
Song SparrowPasserellidae622024+20%2005
Barn SwallowHirundinidae492024+36%2005
Red-winged BlackbirdIcteridae452024+2%2005
Mourning DoveColumbidae422024-1%2005
Chipping SparrowPasserellidae302024-49%2005
Indigo BuntingCardinalidae232024+71%2005
Blue JayCorvidae212024-48%2005
Northern CardinalCardinalidae212024-6%2005
Downy WoodpeckerPicidae202024+61%2005
Northern House WrenTroglodytidae192024+31%2005
American CrowCorvidae172024-74%2005
Red-eyed VireoVireonidae172024+24%2005
House FinchFringillidae162024-17%2005
American GoldfinchFringillidae162024-50%2005
Brown-headed CowbirdIcteridae132024-20%2005
Northern MockingbirdMimidae132024+94%2005
Red-bellied WoodpeckerPicidae112024+133%2005
Wood ThrushTurdidae112024+200%2005
Rock PigeonColumbidae102024-30%2005
Tree SwallowHirundinidae102024+100%2005
MallardAnatidae92024+88%2005
Carolina WrenTroglodytidae92024+0%2005
Canada GooseAnatidae82024-55%2005
Northern Rough-winged SwallowHirundinidae72024+50%2006
Cedar WaxwingBombycillidae72024-29%2005
OvenbirdParulidae72024+50%2005
Eastern Wood-PeweeTyrannidae62024+171%2005
Turkey VultureCathartidae52024-10%2005
Grasshopper SparrowPasserellidae52024+63%2008
Eastern BluebirdTurdidae52024+70%2005
Purple MartinHirundinidae52024-40%2011
KilldeerCharadriidae42024-57%2005
Eastern PhoebeTyrannidae42024-68%2005
Baltimore OrioleIcteridae42024-31%2005
Common YellowthroatParulidae42024-48%2005

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.