BBS Route · New York · BCR 13

Castile Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 115 species recorded across 53 survey years, still active.

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 BlackbirdIcteridae1102024-69%1969
American CrowCorvidae702024-22%1969
Song SparrowPasserellidae652024-39%1969
American GoldfinchFringillidae592024+14%1969
American RobinTurdidae572024-44%1969
European StarlingSturnidae402024-71%1969
Mourning DoveColumbidae362024+27%1969
Chipping SparrowPasserellidae272024+61%1969
Canada GooseAnatidae272024+118%1991
Common GrackleIcteridae262024-76%1969
Rock PigeonColumbidae242024-76%1969
Yellow WarblerParulidae232024+66%1969
Savannah SparrowPasserellidae212024-67%1969
Northern House WrenTroglodytidae212024+107%1969
Warbling VireoVireonidae192024+486%1972
Gray CatbirdMimidae182024+165%1969
Northern CardinalCardinalidae172024+125%1970
House SparrowPasseridae162024-81%1969
Willow FlycatcherTyrannidae142024+243%1969
Common YellowthroatParulidae142024+340%1969
White-breasted NuthatchSittidae132024+325%1984
Brown-headed CowbirdIcteridae122024-37%1969
Barn SwallowHirundinidae122024-27%1969
Field SparrowPasserellidae112024-46%1969
Indigo BuntingCardinalidae112024+680%1969
Tree SwallowHirundinidae112024+0%1969
Eastern Wood-PeweeTyrannidae102024+113%1969
Blue JayCorvidae102024-18%1969
Chestnut-sided WarblerParulidae92024+375%1979
Ring-billed GullLaridae9201626×1982
Red-eyed VireoVireonidae72024+144%1969
Great Crested FlycatcherTyrannidae72024+25%1970
Downy WoodpeckerPicidae72024+133%1971
Red-bellied WoodpeckerPicidae72024+57%1985
Pied-billed GrebePodicipedidae61978+200%1969
Horned LarkAlaudidae62024-71%1969
Black-capped ChickadeeParidae62024+367%1970
Wood DuckAnatidae62024-25%1971
Eastern BluebirdTurdidae62024+175%1991
Baltimore OrioleIcteridae52024-42%1969

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