Species · BCR 4 · BBS 2025 Release · 1966–2024

Sharp-shinned Hawk In BCR 4

Sharp-shinned Hawk in BCR 4 has collapsed: down 80% on the route-weighted index since 1989.

-80%Since 1989
16Routes In Region
19Years

Notable Signals

long arc declinecomputed index

Sharp-shinned Hawk has collapsed in BCR 4: down 80% on the route-weighted index since 1989.

Forecast

If the recent trend holds, Sharp-shinned Hawk in BCR 4 is projected to stay roughly flat through 2028, near 0.00 (95% range 0.00–0.07). A 5-year backtest shows a typical error of ±164.6%, with 80% of held-out values landing inside the 95% band.

n/aChange by 2028
0.00Projected 2028 index
0.000.0795% range
±164.6%Backtest error
19842028
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
20240.000.000.07
20250.000.000.07
20260.000.000.07
20270.000.000.07
20280.000.000.07

Routes In BCR 4

Routes recording Sharp-shinned Hawk in BCR 4.
Mud RiverALASKA21997
Chatanika RALASKA12007
LivengoodALASKA12016
ChistochinaALASKA11992
KalifonskyALASKA12023
Kenny LakeALASKA11996
SourdoughALASKA12013
Swan Lake RdALASKA11984
Anchor RiverALASKA12014
Lake LouiseALASKA12009
KachemakALASKA12014
ColdfootALASKA12018
Donelly DomeALASKA12012
Murphy DomeALASKA11996
Anvik RiverALASKA12014
Galena (Short)ALASKA12015

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