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

Black-bellied Whistling-Duck Population Trend in Arkansas

All statesWaterfowl

Black-bellied Whistling-Duck in Arkansas has surged: up 137% on the route-weighted index since 2009.

+137%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 →
10Routes 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 Black-bellied Whistling-Duck Trends in ArkansasNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Black-bellied Whistling-Duck has surged in Arkansas: up 137% on the route-weighted index since 2009.

Black-bellied Whistling-Duck Survey Routes in Arkansas

Routes recording Black-bellied Whistling-Duck in Arkansas.
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 →
Eudora320082008
Russell220212021
Ashdown220182018
Lockesburg220182018
Kelso220162010
Coal Hill220192019
Maynard220242022
Stamps120232006
South Bend120232009
England120242019

Black-bellied Whistling-Duck Population Trend in Other States

alabamaarizonafloridageorgiaindianalouisianamississippimissourinebraskaoklahomasouth-carolinatennesseetexas

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