BirdAnalyst
BBS Route · New York · BCR 14

Kasoag Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 115 species recorded across 52 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 →
52Years 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
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 VireoVireonidae492025+271%1968
Red-winged BlackbirdIcteridae392025-55%1968
Common YellowthroatParulidae352025+13%1968
OvenbirdParulidae302025+330%1968
Cedar WaxwingBombycillidae272025+50%1968
Song SparrowPasserellidae262025-37%1968
Chestnut-sided WarblerParulidae222025+22%1968
Gray CatbirdMimidae212025+14%1968
Canada GooseAnatidae212025+600%2001
Common GrackleIcteridae202025+124%1968
American RobinTurdidae202025-12%1968
Chipping SparrowPasserellidae192025-3%1968
Indigo BuntingCardinalidae162025-30%1968
VeeryTurdidae132025-34%1968
American GoldfinchFringillidae122025+29%1968
American CrowCorvidae112025+1%1968
Northern CardinalCardinalidae112025+360%1974
Black-capped ChickadeeParidae92025+188%1969
Mourning DoveColumbidae82025+89%1968
Eastern Wood-PeweeTyrannidae82025+171%1968
Northern House WrenTroglodytidae82025+256%1968
Eastern PhoebeTyrannidae72025-6%1968
BobolinkIcteridae72025-50%1968
White-breasted NuthatchSittidae72025+420%1969
Blue JayCorvidae62025+107%1968
European StarlingSturnidae62025-74%1968
Eastern TowheePasserellidae62025-75%1968
Bank SwallowHirundinidae62005-44%1968
American RedstartParulidae62025+6%1968
Wood ThrushTurdidae62025-28%1968
Northern Rough-winged SwallowHirundinidae62010+233%1982
Great Crested FlycatcherTyrannidae52025+11%1968
Brown ThrasherMimidae52007+14%1968
Eastern BluebirdTurdidae52024+133%1974
Tufted TitmouseParidae52025+400%1999
Field SparrowPasserellidae42025-72%1968
Barn SwallowHirundinidae42025-76%1968
Common RavenCorvidae42025+20%2004
KilldeerCharadriidae32018-54%1968
Hairy WoodpeckerPicidae32025+0%1970

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