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Species · Florida · BBS 2025 Release · 1966–2024

Fulvous Whistling-Duck Population Trend in Florida

All statesWaterfowl

Fulvous Whistling-Duck in Florida has held roughly steady: down 5% on the route-weighted index since 1989.

-5%Since 1989TrendPercent 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 →
6Routes 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 →
17YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Fulvous Whistling-Duck Trends in FloridaNotable 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 Fulvous Whistling-Duck in Florida. See the full index history below.

Fulvous Whistling-Duck Survey Routes in Florida

Routes recording Fulvous Whistling-Duck in Florida.
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 →
Shawano 22820102004
Shawano520021987
Holey Land320071995
Indiantown320071993
Corbett219991996
Devils Gardn220242024

Fulvous Whistling-Duck Population Trend in Other States

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