BirdAnalyst
Species · Mississippi · BBS 2025 Release · 1966–2024

Boat-tailed Grackle Population Trend in Mississippi

All statesGeneralists

Boat-tailed Grackle in Mississippi has held roughly steady: down 10% on the route-weighted index since 2003.

-10%Since 2003TrendPercent 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 →
3Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
15YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Boat-tailed Grackle Trends in MississippiNotable 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 Boat-tailed Grackle in Mississippi. See the full index history below.

Boat-tailed Grackle Survey Routes in Mississippi

Routes recording Boat-tailed Grackle in Mississippi.
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 →
Necaise620222001
Cybur320032003
Latimer120132002

Boat-tailed Grackle Population Trend in Other States

alabamadelawarefloridageorgialouisianamarylandnew-jerseynew-yorknorth-carolinasouth-carolinatexasvirginia

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