BirdAnalyst
BBS Route · New York · BCR 28

Downsville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 115 species recorded across 37 survey years, still active.

115Species 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 →
37Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1982–2019Span
4Observers

Bird Species Found on New York Downsville

Top 40 of 115 species by most recent count. Each links to its species trend.

Species recorded on the Downsville 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 VireoVireonidae742019-21%1984
OvenbirdParulidae362019+43%1984
American RobinTurdidae242019+35%1984
VeeryTurdidae192019+58%1984
American CrowCorvidae172019+4%1984
Cliff SwallowHirundinidae162019-56%1984
Chestnut-sided WarblerParulidae152019-18%1984
Cedar WaxwingBombycillidae142019+44%1984
Blue JayCorvidae132019-31%1984
Common YellowthroatParulidae132019-31%1984
Yellow-bellied SapsuckerPicidae132019+141%1985
Scarlet TanagerCardinalidae112019-52%1984
Barn SwallowHirundinidae112019-51%1984
Black-throated Green WarblerParulidae102019+79%1984
Hermit ThrushTurdidae102019+500%1984
Black-capped ChickadeeParidae92019-61%1984
American GoldfinchFringillidae82019+100%1984
Song SparrowPasserellidae82019-52%1984
Black-and-white WarblerParulidae82019-51%1984
Mourning DoveColumbidae82019+233%1988
Indigo BuntingCardinalidae72019-50%1984
Gray CatbirdMimidae72019+60%1984
Ring-billed GullLaridae71995-36%1991
Red-winged BlackbirdIcteridae62019-65%1984
Chipping SparrowPasserellidae62019+46%1984
Blackburnian WarblerParulidae52019+20%1984
Wood DuckAnatidae52017-25%1996
Least FlycatcherTyrannidae42019-54%1984
Common GrackleIcteridae42019+57%1984
Wood ThrushTurdidae42019-53%1984
Eastern Wood-PeweeTyrannidae32019-14%1984
European StarlingSturnidae32018-70%1984
BobolinkIcteridae32016-10%1984
Eastern TowheePasserellidae31999+0%1984
Tree SwallowHirundinidae32018-22%1986
Black-throated Blue WarblerParulidae32019+100%1985
Magnolia WarblerParulidae32019-17%1989
House FinchFringillidae31994+200%1993
Baltimore OrioleIcteridae22019-79%1984
Field SparrowPasserellidae22018-74%1984

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