BirdAnalyst
BBS Route · Maryland · BCR 30

Matthews Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 103 species recorded across 57 survey years, still active.

103Species 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 →
57Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2024Span
8Observers

Bird Species Found on Maryland Matthews

Top 40 of 103 species by most recent count. Each links to its species trend.

Species recorded on the Matthews 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
Common GrackleIcteridae2572024-13%1968
European StarlingSturnidae682024-36%1968
Red-winged BlackbirdIcteridae582024-34%1968
American RobinTurdidae572024+56%1968
Purple MartinHirundinidae562024+273%1968
Mourning DoveColumbidae522024+100%1968
American CrowCorvidae362024-33%1968
Carolina WrenTroglodytidae262024+305%1968
Indigo BuntingCardinalidae252024-18%1968
Northern MockingbirdMimidae242024-30%1968
Turkey VultureCathartidae222024+964%1969
Tufted TitmouseParidae192024-32%1968
Northern CardinalCardinalidae172024-59%1968
House SparrowPasseridae172024-87%1968
American GoldfinchFringillidae132024+48%1968
Blue GrosbeakCardinalidae132024+29%1968
House FinchFringillidae132024+50%1988
Red-eyed VireoVireonidae112024-35%1968
Common YellowthroatParulidae112024-23%1968
Great Crested FlycatcherTyrannidae102024+46%1968
Black-and-white WarblerParulidae102015+200%1969
Western Cattle-EgretArdeidae91980n/an/a
Barn SwallowHirundinidae82024+0%1968
Canada GooseAnatidae82024+518%2001
Blue JayCorvidae72024-62%1968
Laughing GullLaridae72009-82%1999
Wild TurkeyPhasianidae72024+300%2008
Red-bellied WoodpeckerPicidae62024+14%1968
Chipping SparrowPasserellidae62024-77%1968
White-eyed VireoVireonidae62024-15%1968
Orchard OrioleIcteridae52024-59%1968
Bank SwallowHirundinidae51966n/an/a
Brown ThrasherMimidae52024-31%1968
Great Horned OwlStrigidae52011+67%1984
Brown-headed CowbirdIcteridae42024-61%1968
Eastern BluebirdTurdidae42024+467%1968
Black VultureCathartidae42024+75%1996
Fish CrowCorvidae42024+67%1980
KilldeerCharadriidae32024+0%1968
Red-tailed HawkAccipitridae32024+167%1970

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