BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Rothrock Sf Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 82 species recorded across 28 survey years, no longer active.

82Species 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 →
28Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2019Span
1Observers

Bird Species Found on Pennsylvania Rothrock Sf

Top 40 of 82 species by most recent count. Each links to its species trend.

Species recorded on the Rothrock Sf 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
OvenbirdParulidae702019+22%1994
Red-eyed VireoVireonidae632019+7%1994
Eastern TowheePasserellidae472019+17%1994
Hooded WarblerParulidae172019+77%1994
Scarlet TanagerCardinalidae162019-28%1994
Black-throated Green WarblerParulidae92019+3%1994
American RedstartParulidae92019+11%1994
Blue-headed VireoVireonidae72019-15%1995
Eastern Wood-PeweeTyrannidae62019-21%1994
Black-and-white WarblerParulidae62019-5%1994
White-breasted NuthatchSittidae62019+200%1994
VeeryTurdidae62019+44%1994
Mourning DoveColumbidae52019+186%1994
Chipping SparrowPasserellidae52019-65%1994
Black-throated Blue WarblerParulidae52019-5%1994
Chestnut-sided WarblerParulidae52019+117%1996
Common YellowthroatParulidae52019-66%1994
Acadian FlycatcherTyrannidae42019-57%1994
Wood ThrushTurdidae42019-74%1994
Pileated WoodpeckerPicidae32019+14%1995
Common RavenCorvidae32018-18%1994
American CrowCorvidae32019+16%1994
Northern CardinalCardinalidae32019+29%1994
Blackburnian WarblerParulidae32019+0%1994
Tufted TitmouseParidae32019+75%1996
Black-capped ChickadeeParidae32018-65%1994
Red-bellied WoodpeckerPicidae32019+125%2003
Cedar WaxwingBombycillidae32019-11%1995
Eastern Whip-poor-willCaprimulgidae22010+33%2001
Blue JayCorvidae22019+13%1994
Canada WarblerParulidae22018-72%1994
Gray CatbirdMimidae22019-29%1994
American RobinTurdidae22019+0%1995
Red-winged BlackbirdIcteridae22015+0%1998
Yellow-billed CuckooCuculidae12019-82%1994
Black-billed CuckooCuculidae12004+0%1998
Downy WoodpeckerPicidae12018+0%1995
Great Crested FlycatcherTyrannidae12013-73%1994
Eastern PhoebeTyrannidae12019-42%1994
Brown-headed CowbirdIcteridae12016-75%1994

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