BirdAnalyst
BBS Route · Maryland · BCR 30

Pomonkey Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 99 species recorded across 58 survey years, still active.

99Species 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 →
58Years 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
10Observers

Bird Species Found on Maryland Pomonkey

Top 40 of 99 species by most recent count. Each links to its species trend.

Species recorded on the Pomonkey 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
Acadian FlycatcherTyrannidae552024+84%1968
Northern CardinalCardinalidae542024-14%1968
Carolina WrenTroglodytidae442024+853%1968
Tufted TitmouseParidae432024+153%1968
American CrowCorvidae392024-12%1968
Blue-gray GnatcatcherPolioptilidae39202412×1968
Canada GooseAnatidae362024+148%1996
Northern ParulaParulidae352024+94%1968
Red-eyed VireoVireonidae342024+12%1968
Chipping SparrowPasserellidae332024+33%1968
Mourning DoveColumbidae272024+9%1968
Red-bellied WoodpeckerPicidae232024-10%1968
Indigo BuntingCardinalidae222024-27%1968
Wood ThrushTurdidae192024-51%1968
Common GrackleIcteridae172024-87%1968
Northern MockingbirdMimidae162024-74%1968
American GoldfinchFringillidae152024+22%1968
Carolina ChickadeeParidae132024+21%1968
Eastern Wood-PeweeTyrannidae122024+2%1968
Eastern BluebirdTurdidae122024+300%1969
Chimney SwiftApodidae112024-41%1968
White-breasted NuthatchSittidae112024+267%1987
Brown-headed CowbirdIcteridae92024+33%1968
Downy WoodpeckerPicidae82024+71%1968
American RobinTurdidae82024-43%1968
Yellow-throated VireoVireonidae82024+89%1969
Cedar WaxwingBombycillidae82023+156%1985
OvenbirdParulidae72024-3%1968
Pine WarblerParulidae72024+240%1974
Great Crested FlycatcherTyrannidae62024+200%1968
Red-winged BlackbirdIcteridae62024-52%1968
Summer TanagerCardinalidae62024+225%1969
Eastern PhoebeTyrannidae52024+78%1968
Scarlet TanagerCardinalidae42024-64%1968
White-eyed VireoVireonidae42024+214%1968
Common YellowthroatParulidae42024-52%1968
Rock PigeonColumbidae32024+0%1974
Turkey VultureCathartidae32024+9%1969
Blue JayCorvidae32024-76%1968
European StarlingSturnidae32024-54%1968

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