BirdAnalyst
BBS Route · Pennsylvania · BCR 29

Leola Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 75 species recorded across 20 survey years, still active.

75Species 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 →
1998–2025Span
4Observers

Bird Species Found on Pennsylvania Leola

Top 40 of 75 species by most recent count. Each links to its species trend.

Species recorded on the Leola 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
House SparrowPasseridae1732025+5%2002
European StarlingSturnidae1642025-38%2002
Common GrackleIcteridae1592025-61%2002
American RobinTurdidae1242025+5%2002
Rock PigeonColumbidae1122025-63%2002
Barn SwallowHirundinidae732025+66%2002
Mourning DoveColumbidae492025-39%2002
Song SparrowPasserellidae372025+34%2002
Chipping SparrowPasserellidae302025+189%2002
Chimney SwiftApodidae252025+90%2002
House FinchFringillidae242025-29%2002
Canada GooseAnatidae232024-72%2002
Purple MartinHirundinidae232025+338%2002
Red-winged BlackbirdIcteridae192025+148%2002
KilldeerCharadriidae182025+0%2002
American CrowCorvidae152025-70%2002
Northern CardinalCardinalidae132025+22%2002
Cedar WaxwingBombycillidae122024-21%2002
Gray CatbirdMimidae122025+179%2002
Horned LarkAlaudidae102025+100%2008
Northern House WrenTroglodytidae102025+33%2002
Eastern KingbirdTyrannidae92024+8%2002
American GoldfinchFringillidae92025+29%2002
Blue JayCorvidae72025+275%2008
Indigo BuntingCardinalidae62025-18%2002
Tree SwallowHirundinidae52025-39%2002
Eastern BluebirdTurdidae52025+17%2008
Red-tailed HawkAccipitridae42025-21%2002
Brown-headed CowbirdIcteridae42025+75%2002
Red-bellied WoodpeckerPicidae32024+75%2009
Orchard OrioleIcteridae32023+100%2014
Northern Rough-winged SwallowHirundinidae32025-62%2013
Northern MockingbirdMimidae32025-67%2002
Carolina WrenTroglodytidae32025+0%2009
Carolina ChickadeeParidae32025-13%2002
Downy WoodpeckerPicidae32025+167%2008
Field SparrowPasserellidae32009n/an/a
Common RavenCorvidae32023+200%2018
MallardAnatidae22025-44%2002
Ring-necked PheasantPhasianidae21998n/an/a

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