Species · New Hampshire · BBS 2025 Release · 1966–2024

Common Raven Population Trend in New Hampshire

Common Raven in New Hampshire has surged: up 11× on the route-weighted index since 1968.

11×Since 1968
26Routes In State
58Years

Notable Common Raven Trends in New Hampshire

long arc increasecomputed index

Common Raven has surged in New Hampshire: up 11× on the route-weighted index since 1968.

Common Raven Population Forecast in New Hampshire

If the recent trend holds, Common Raven in New Hampshire is projected to fall about 15% by 2029 — from 3.5 in 2024 to a central estimate of 3.0 (95% range 2.0–3.9). A 5-year backtest shows a typical error of ±20.4%, with 60% of held-out values landing inside the 95% band.

-15%Change by 2029
3.0Projected 2029 index
2.03.995% range
±20.4%Backtest error
19662029
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
20252.81.83.7
20262.81.93.8
20272.91.93.8
20282.92.03.9
20293.02.03.9

Common Raven Survey Routes in New Hampshire

Routes recording Common Raven in New Hampshire.
Wilmot1020241983
Marlow1020241976
Franconia920241971
Lempster720241991
Dixvil Notch720161966
Dixville Notch 2720242019
Strafford520241987
Glen520241976
Hopkinton420241988
East Kingston420242002
Gilmantn I W320241995
Milan320241966
Dover220241993
Epsom220232000
Mt Chocorua220231972
Crawford Not219751969
Clarksville220241967
Peterborough120241982
Brentwood119981998
Fitzwilliam120242010
Concord120241995
Canterbury120231992
Walpole120241989
Jefferson Hl120231967
Stratford120211968

Common Raven Population Trend in Other States

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