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

Northern Parula In Central Mixed Grass Prairie

All regionsCentral Mixed Grass PrairieForest birds

Northern Parula in Central Mixed Grass Prairie has risen sharply: up 65% on the route-weighted index since 2009.

+65%Since 2009TrendPercent 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 →
5Routes 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 →
13YearsYears 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 Northern Parula in Central Mixed Grass Prairie. See the full index history below.

Routes In Central Mixed Grass Prairie

Routes recording Northern Parula 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 →
WellingtonKANSAS12006
DaltonKANSAS12024
BuckeyeKANSAS12012
SicklesOKLAHOMA12009
JetOKLAHOMA12013

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