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

Pelagic Cormorant In BCR 2

Pelagic Cormorant in BCR 2 has declined: down 45% on the route-weighted index since 1988.

-45%Since 1988
6Routes In Region
18Years

Notable Signals

No notable trend signals for Pelagic Cormorant in BCR 2. See the full index history below.

Forecast

If the recent trend holds, Pelagic Cormorant in BCR 2 is projected to rise about 58% by 2020 — from 0.11 in 2015 to a central estimate of 0.17 (95% range 0.00–0.64). A 5-year backtest shows a typical error of ±169.7%, with 60% of held-out values landing inside the 95% band.

+58%Change by 2020
0.17Projected 2020 index
0.000.6495% range
±169.7%Backtest error
19832020
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
20160.200.000.66
20170.200.000.66
20180.190.000.65
20190.180.000.64
20200.170.000.64

Routes In BCR 2

Routes recording Pelagic Cormorant in BCR 2.
Cape NomeALASKA22012
KodiakALASKA11983
ChiniakALASKA12015
Kodiak 2ALASKA12009
NomeALASKA11997
Cold Bay (Short)ALASKA11991

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