BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Schaefferstown 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 105 species recorded across 20 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 →
20Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2002–2025Span
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
European StarlingSturnidae2582025+125%2005
Common GrackleIcteridae1562025+6%2005
American RobinTurdidae1062025+29%2005
Red-winged BlackbirdIcteridae532025+14%2005
Gray CatbirdMimidae472025+690%2005
Barn SwallowHirundinidae422025+44%2005
Song SparrowPasserellidae392025+28%2005
Mourning DoveColumbidae372025-7%2005
House SparrowPasseridae292025-37%2005
Northern CardinalCardinalidae282025-13%2005
Chipping SparrowPasserellidae272025-39%2005
Fish CrowCorvidae232025+275%2015
Northern MockingbirdMimidae222025+171%2005
House FinchFringillidae212025-8%2005
American GoldfinchFringillidae192025-44%2005
Indigo BuntingCardinalidae172025+86%2005
Red-bellied WoodpeckerPicidae162025+144%2005
American CrowCorvidae152025-75%2005
Turkey VultureCathartidae142025-3%2005
Blue JayCorvidae142025-50%2005
Red-eyed VireoVireonidae142025+29%2005
Purple MartinHirundinidae142025+0%2011
Carolina WrenTroglodytidae132025+11%2005
Northern House WrenTroglodytidae132025+26%2005
Wood ThrushTurdidae132025+250%2005
MallardAnatidae112025+200%2005
Downy WoodpeckerPicidae102025+83%2005
Brown-headed CowbirdIcteridae102025-29%2005
Common YellowthroatParulidae92025-38%2005
Cedar WaxwingBombycillidae82025-36%2005
Eastern KingbirdTyrannidae82025+63%2010
Eastern Wood-PeweeTyrannidae72025+186%2005
OvenbirdParulidae72025+38%2005
Canada GooseAnatidae52025-83%2005
Chimney SwiftApodidae52025-88%2005
Tree SwallowHirundinidae52025+77%2005
Rock PigeonColumbidae42025-35%2005
Eastern PhoebeTyrannidae42025-68%2005
Northern Rough-winged SwallowHirundinidae42025+88%2006
Green HeronArdeidae32018+0%2010

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