BirdAnalyst
BBS Route · Maryland · BCR 30

Furnace Town Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 91 species recorded across 9 survey years, still active.

91Species 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 →
9Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2015–2024Span
1Observers

Bird Species Found on Maryland Furnace Town

Top 40 of 91 species by most recent count. Each links to its species trend.

Species recorded on the Furnace Town 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
Carolina WrenTroglodytidae402024+234%2017
Blue-gray GnatcatcherPolioptilidae402024+12%2017
Red-winged BlackbirdIcteridae382024+175%2017
Tufted TitmouseParidae372024+2%2017
American CrowCorvidae352024-24%2017
Northern CardinalCardinalidae352024-3%2017
Pine WarblerParulidae352024+36%2017
OvenbirdParulidae322024+2%2017
Laughing GullLaridae262024+190%2017
Chipping SparrowPasserellidae252024-10%2017
Common GrackleIcteridae192024-68%2017
European StarlingSturnidae182024-47%2017
Indigo BuntingCardinalidae172024-47%2017
Great Crested FlycatcherTyrannidae152024-4%2017
Mourning DoveColumbidae142024-9%2017
White-eyed VireoVireonidae142024-38%2017
Carolina ChickadeeParidae142024-23%2017
Eastern Wood-PeweeTyrannidae132024-10%2017
Brown-headed CowbirdIcteridae132024-17%2017
Canada GooseAnatidae122024-32%2017
Turkey VultureCathartidae112024-23%2017
Acadian FlycatcherTyrannidae112024-37%2017
Summer TanagerCardinalidae112024+94%2017
Fish CrowCorvidae102024-29%2017
Pileated WoodpeckerPicidae92024+41%2017
American GoldfinchFringillidae92024+0%2017
Blue GrosbeakCardinalidae92024-27%2017
Worm-eating WarblerParulidae92024+10%2017
Common YellowthroatParulidae92024-29%2017
Red-eyed VireoVireonidae82024-8%2017
Wood ThrushTurdidae82024-36%2017
Glossy IbisThreskiornithidae72018n/an/a
Black-and-white WarblerParulidae62023-31%2017
Yellow-throated WarblerParulidae62024+94%2017
Eastern BluebirdTurdidae62024+56%2017
Tree SwallowHirundinidae62024+200%2017
Wild TurkeyPhasianidae52024+150%2017
Downy WoodpeckerPicidae52024-43%2017
Chuck-will's-widowCaprimulgidae52023-20%2017
Purple MartinHirundinidae52024-16%2017

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