BirdAnalyst
Species · BCR 3 · BBS 2025 Release · 1966–2024

Greater Scaup In BCR 3

All regionsBCR 3Waterfowl

Greater Scaup in BCR 3 has declined: down 28% on the route-weighted index since 1996.

-28%Since 1996
5Routes In Region
29Years

Notable Signals

No notable trend signals for Greater Scaup in BCR 3. See the full index history below.

Forecast

If the recent trend holds, Greater Scaup in BCR 3 is projected to stay roughly flat through 2029, near 3.4 (95% range 0.00–7.4). A 5-year backtest shows a typical error of ±52%, with 100% of held-out values landing inside the 95% band.

+3%Change by 2029
3.4Projected 2029 index
0.00–7.495% range
±52%Backtest error
19942029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20253.50.007.5
20263.40.007.5
20273.40.007.5
20283.40.007.5
20293.40.007.4

Routes In BCR 3

Routes recording Greater Scaup in BCR 3.
Galbraith L.ALASKA82024
UtqiagvikALASKA62023
Happy ValleyALASKA32024
Red DogALASKA22024
Dietrich CmpALASKA12013

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