BirdAnalyst
BBS Route · New York · BCR 30

Purdy Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 102 species recorded across 36 survey years, still active.

102Species 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 →
36Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1980–2022Span
3Observers

Bird Species Found on New York Purdy

Top 40 of 102 species by most recent count. Each links to its species trend.

Species recorded on the Purdy 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
Gray CatbirdMimidae492022+42%1982
Song SparrowPasserellidae422022+12%1982
American RobinTurdidae402022-22%1982
Northern CardinalCardinalidae302022-7%1982
Tufted TitmouseParidae302022+64%1982
Red-bellied WoodpeckerPicidae19202222×1986
American GoldfinchFringillidae172022+338%1983
Chipping SparrowPasserellidae172022+16%1982
Northern House WrenTroglodytidae172022-7%1982
American CrowCorvidae162022-70%1982
Red-eyed VireoVireonidae162022-30%1982
Canada GooseAnatidae152022-66%1982
Carolina WrenTroglodytidae13202216×1982
Mute SwanAnatidae112022+205%1984
MallardAnatidae102016+75%1987
Blue JayCorvidae82022-75%1982
Common GrackleIcteridae82022-89%1982
VeeryTurdidae82022-43%1982
Cliff SwallowHirundinidae82022+50%2006
Great Crested FlycatcherTyrannidae72022+300%1982
European StarlingSturnidae72021-94%1982
Black-capped ChickadeeParidae72022-83%1982
Warbling VireoVireonidae62022+233%1983
American RedstartParulidae62022+233%1983
Eastern PhoebeTyrannidae52022-8%1982
House FinchFringillidae52022-68%1982
Barn SwallowHirundinidae52021-31%1982
Wood ThrushTurdidae52022-82%1982
Mourning DoveColumbidae42022-62%1982
OvenbirdParulidae42022-50%1982
House SparrowPasseridae42022-50%1982
Pileated WoodpeckerPicidae42022+0%1994
Northern Rough-winged SwallowHirundinidae41991+300%1986
Ring-billed GullLaridae41987n/an/a
Rock PigeonColumbidae31991+100%1981
Brown-headed CowbirdIcteridae32022-36%1982
Baltimore OrioleIcteridae32022-84%1982
Cedar WaxwingBombycillidae32019-18%1983
Common YellowthroatParulidae32022-71%1982
White-breasted NuthatchSittidae32022-54%1982

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