BirdAnalyst
BBS Route · Maryland · BCR 28

Piney Grove Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 29 survey years, still active.

100Species 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 →
29Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1995–2024Span
1Observers

Bird Species Found on Maryland Piney Grove

Top 40 of 100 species by most recent count. Each links to its species trend.

Species recorded on the Piney Grove 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-eyed VireoVireonidae1072024+154%1997
European StarlingSturnidae852024+14%1997
Eastern TowheePasserellidae372024+63%1997
Wood ThrushTurdidae362024+57%1997
Northern CardinalCardinalidae342024+176%1997
American RobinTurdidae342024-29%1997
Scarlet TanagerCardinalidae302024-6%1997
Eastern Wood-PeweeTyrannidae292024+81%1997
Indigo BuntingCardinalidae292024-30%1997
Carolina WrenTroglodytidae272024+589%1998
Tufted TitmouseParidae262024+25%1997
Mourning DoveColumbidae252024+47%1997
Chipping SparrowPasserellidae222024+7%1997
Worm-eating WarblerParulidae212024+87%1997
Gray CatbirdMimidae202024+127%1997
OvenbirdParulidae182024+200%1997
American CrowCorvidae162024-58%1997
American GoldfinchFringillidae142024+39%1997
Red-bellied WoodpeckerPicidae122024+59%1997
Brown-headed CowbirdIcteridae122024+71%1997
Pine WarblerParulidae112024+12%1997
Common GrackleIcteridae102024+0%1997
Northern MockingbirdMimidae102024+27%1997
Red-winged BlackbirdIcteridae92024-22%1997
Eastern BluebirdTurdidae92024+80%1997
Pileated WoodpeckerPicidae82024+146%1997
Blue JayCorvidae82024-44%1997
Barn SwallowHirundinidae82024-30%1997
Yellow-billed CuckooCuculidae72024+250%1997
Cedar WaxwingBombycillidae72024-40%1997
Black-capped ChickadeeParidae72023-40%1997
Carolina ChickadeeParidae72024+138%2005
Common RavenCorvidae62024+300%1998
Field SparrowPasserellidae62024-54%1997
Yellow-throated VireoVireonidae62024+69%1997
Eastern MeadowlarkIcteridae52024-19%1997
House FinchFringillidae52023-63%1997
Louisiana WaterthrushParulidae52024+60%1999
Hairy WoodpeckerPicidae42024+120%1997
Eastern Whip-poor-willCaprimulgidae42024+43%1997

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