BirdAnalyst
BBS Route · New York · BCR 14

Kasoag Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 115 species recorded across 51 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 →
51Years 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
4Observers

Bird Species Found on New York Kasoag

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

Species recorded on the Kasoag 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 VireoVireonidae502024+206%1968
American RobinTurdidae382024+28%1968
Red-winged BlackbirdIcteridae362024-57%1968
Song SparrowPasserellidae342024-43%1968
American CrowCorvidae332024+65%1968
Common YellowthroatParulidae292024+11%1968
OvenbirdParulidae262024+300%1968
Gray CatbirdMimidae242024-14%1968
VeeryTurdidae212024-41%1968
Chipping SparrowPasserellidae202024+7%1968
European StarlingSturnidae192024-65%1968
Chestnut-sided WarblerParulidae182024-14%1968
Northern House WrenTroglodytidae182024+278%1968
American GoldfinchFringillidae162024+71%1968
Cedar WaxwingBombycillidae162024+16%1968
Common GrackleIcteridae152024+47%1968
Mourning DoveColumbidae112024+194%1968
Blue JayCorvidae102024+121%1968
Eastern TowheePasserellidae102024-81%1968
Indigo BuntingCardinalidae102024-39%1968
Least FlycatcherTyrannidae82024-47%1968
American RedstartParulidae82024-19%1968
Black-capped ChickadeeParidae82024+213%1969
Wood ThrushTurdidae82024+23%1968
Northern CardinalCardinalidae82024+300%1974
Eastern Wood-PeweeTyrannidae72024+114%1968
Tufted TitmouseParidae72024+267%1999
Bank SwallowHirundinidae62005-44%1968
Northern Rough-winged SwallowHirundinidae62010+233%1982
House FinchFringillidae62005-24%1987
Brown ThrasherMimidae52007+14%1968
Eastern BluebirdTurdidae52024+133%1974
White-breasted NuthatchSittidae52024+520%1969
Yellow-bellied SapsuckerPicidae42024+0%1968
Great Crested FlycatcherTyrannidae42024-22%1968
Field SparrowPasserellidae42024-77%1968
Barn SwallowHirundinidae42024-64%1968
Turkey VultureCathartidae42024+267%2014
KilldeerCharadriidae32018-54%1968
Eastern KingbirdTyrannidae32018-50%1968

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