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

Steller's Jay In BCR 4

All regions BCR 4 Generalists

Steller's Jay in BCR 4 has collapsed: down 90% on the route-weighted index since 1986.

-90%Since 1986

4Routes In Region

26Years

Notable Signals

long arc declinecomputed index

Steller's Jay has collapsed in BCR 4: down 90% on the route-weighted index since 1986.

Forecast

If the recent trend holds, Steller's Jay in BCR 4 is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.17). A 5-year backtest shows a typical error of ±325.8%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029

0.00Projected 2029 index

0.00–0.1795% range

±325.8%Backtest error

Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.

Year	Projected index	95% low	95% high
2025	0.00	0.00	0.17
2026	0.00	0.00	0.17
2027	0.00	0.00	0.17
2028	0.00	0.00	0.17
2029	0.00	0.00	0.17

Routes In BCR 4

Routes recording Steller's Jay in BCR 4.

Kalifonsky	ALASKA	2	1982
Homer	ALASKA	1	1982
Anchor River	ALASKA	1	2024
Kachemak	ALASKA	1	2015

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