BirdAnalyst
Species · BCR 19 · BBS 2025 Release · 1966–2024

Prairie Falcon In Central Mixed Grass Prairie

All regionsCentral Mixed Grass PrairieGeneralists

Prairie Falcon in Central Mixed Grass Prairie has declined: down 34% on the route-weighted index since 1972.

-34%Since 1972TrendPercent 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 →
10Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
14YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Prairie Falcon in Central Mixed Grass Prairie. See the full index history below.

Routes In Central Mixed Grass Prairie

Routes recording Prairie Falcon in Central Mixed Grass Prairie.
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 →
AshlandKANSAS11982
KanopolisKANSAS11972
LoganKANSAS11989
GordonNEBRASKA11981
ArthurNEBRASKA12007
BrownleeNEBRASKA11992
BassettNEBRASKA12018
ReedOKLAHOMA12010
ErickOKLAHOMA11969
PhrosoOKLAHOMA11998

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.