BirdAnalyst
BBS Route · New York · BCR 13

Castile Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 115 species recorded across 54 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 →
54Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2025Span
4Observers

Bird Species Found on New York Castile

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

Species recorded on the Castile 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-winged BlackbirdIcteridae1312025-63%1969
European StarlingSturnidae1112025-69%1969
American RobinTurdidae742025-40%1969
American CrowCorvidae712025-12%1969
Song SparrowPasserellidae612025-38%1969
Yellow WarblerParulidae422025+105%1969
Chipping SparrowPasserellidae412025+48%1969
Mourning DoveColumbidae342025+36%1969
American GoldfinchFringillidae252025-20%1969
Gray CatbirdMimidae252025+205%1969
Northern House WrenTroglodytidae242025+123%1969
Northern CardinalCardinalidae232025+180%1970
Savannah SparrowPasserellidae222025-64%1969
Warbling VireoVireonidae192025+600%1972
Common GrackleIcteridae182025-82%1969
Barn SwallowHirundinidae182025-18%1969
Common YellowthroatParulidae172025+340%1969
Cedar WaxwingBombycillidae152025+56%1971
House SparrowPasseridae142025-86%1969
Indigo BuntingCardinalidae132025+640%1969
Rock PigeonColumbidae122025-73%1969
Black-capped ChickadeeParidae112025+600%1970
Red-bellied WoodpeckerPicidae112025+171%1985
Eastern Wood-PeweeTyrannidae102025+200%1969
Ring-billed GullLaridae9201626×1982
Horned LarkAlaudidae82025-61%1969
Blue JayCorvidae82025+5%1969
Brown-headed CowbirdIcteridae82025-53%1969
Field SparrowPasserellidae82025-27%1969
Chestnut-sided WarblerParulidae82025+475%1979
Canada GooseAnatidae82025+118%1991
KilldeerCharadriidae72025-44%1969
Eastern KingbirdTyrannidae72025-33%1969
Willow FlycatcherTyrannidae72025+314%1969
Rose-breasted GrosbeakCardinalidae72025+129%1969
Wood DuckAnatidae72025+17%1971
Pied-billed GrebePodicipedidae61978+200%1969
Bank SwallowHirundinidae62025+80%1970
Red-tailed HawkAccipitridae52025+83%1969
Eastern PhoebeTyrannidae52025+8%1969

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