BirdAnalyst
BBS Route · Maryland · BCR 30

Pomonkey Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 99 species recorded across 59 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 →
59Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2025Span
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
Red-eyed VireoVireonidae592025+15%1968
Northern CardinalCardinalidae572025+0%1968
Blue-gray GnatcatcherPolioptilidae55202516×1968
Acadian FlycatcherTyrannidae492025+97%1968
Tufted TitmouseParidae402025+151%1968
American CrowCorvidae372025+6%1968
Canada GooseAnatidae362024+148%1996
Indigo BuntingCardinalidae352025-28%1968
Carolina WrenTroglodytidae332025+713%1968
American GoldfinchFringillidae312025+115%1968
Northern ParulaParulidae272025+129%1968
Eastern Wood-PeweeTyrannidae232025+2%1968
Chipping SparrowPasserellidae232025+13%1968
Mourning DoveColumbidae192025+3%1968
Red-bellied WoodpeckerPicidae172025-7%1968
Brown-headed CowbirdIcteridae162025+41%1968
Carolina ChickadeeParidae162025+14%1968
American RobinTurdidae132025-29%1968
OvenbirdParulidae122025-7%1968
Wood ThrushTurdidae122025-55%1968
American RedstartParulidae112025+54%1969
Eastern BluebirdTurdidae102025+225%1969
Red-winged BlackbirdIcteridae92025-55%1968
Brown ThrasherMimidae92025-18%1968
Yellow-throated WarblerParulidae92025+433%1987
Great Crested FlycatcherTyrannidae82025+217%1968
Blue JayCorvidae72025-67%1968
Downy WoodpeckerPicidae62025+65%1968
Common GrackleIcteridae62025-88%1968
Common YellowthroatParulidae62025-65%1968
Cedar WaxwingBombycillidae62025+122%1985
Summer TanagerCardinalidae52025+300%1969
White-eyed VireoVireonidae52025+129%1968
Scarlet TanagerCardinalidae42025-61%1968
White-breasted NuthatchSittidae42025+233%1987
Rock PigeonColumbidae32024+0%1974
Turkey VultureCathartidae32025-27%1969
Yellow-billed CuckooCuculidae32025-39%1968
Chimney SwiftApodidae32025-52%1968
Ruby-throated HummingbirdTrochilidae32025+50%1969

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.