Species · BCR 2 · BBS 2025 Release · 1966–2024

Savannah Sparrow In BCR 2

Savannah Sparrow in BCR 2 has declined: down 26% on the route-weighted index since 1985.

-26%Since 1985
22Routes In Region
41Years

Notable Signals

No notable trend signals for Savannah Sparrow in BCR 2. See the full index history below.

Forecast

If the recent trend holds, Savannah Sparrow in BCR 2 is projected to rise about 52% by 2029 — from 20 in 2024 to a central estimate of 30 (95% range 6.6–53). A 5-year backtest shows a typical error of ±74.8%, with 100% of held-out values landing inside the 95% band.

+52%Change by 2029
30Projected 2029 index
6.65395% range
±74.8%Backtest error
19832029
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
2025306.853
2026306.753
2027306.753
2028306.753
2029306.653

Routes In BCR 2

Routes recording Savannah Sparrow in BCR 2.
St. Mary'SALASKA552014
Cold Bay (Short)ALASKA381992
KodiakALASKA361984
NomeALASKA352023
Cold BayALASKA342024
Cape NomeALASKA312024
King SalmonALASKA272024
Goodnews BayALASKA272005
TellerALASKA242024
ChiniakALASKA212024
Kodiak 2ALASKA212024
Togiak RiverALASKA202005
Dillingham (Short)ALASKA171984
DillinghamALASKA72019
CouncilALASKA72024
KotzebueALASKA72024
Kotzebue (Short)ALASKA61994
Salmon LakeALASKA52024
Kanektok RivALASKA52005
Gweek RiverALASKA42001
Katmai N.P.ALASKA12019
TupuknukALASKA11995

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