BirdAnalyst
Species · North Carolina · BBS 2025 Release · 1966–2024

White Ibis Population Trend in North Carolina

All statesWetland birds

White Ibis in North Carolina has surged: up 148% on the route-weighted index since 1970.

+148%Since 1970
20Routes In State
52Years

Notable White Ibis Trends in North Carolina

long arc increasecomputed index

White Ibis has surged in North Carolina: up 148% on the route-weighted index since 1970.

White Ibis Population Forecast in North Carolina

If the recent trend holds, White Ibis in North Carolina is projected to rise about 194% by 2029 — from 0.60 in 2024 to a central estimate of 1.8 (95% range 0.00–11). A 5-year backtest shows a typical error of ±332.4%, with 100% of held-out values landing inside the 95% band.

+194%Change by 2029
1.8Projected 2029 index
0.00–1195% range
±332.4%Backtest error
19682029
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
20252.00.0011
20261.90.0011
20271.90.0011
20281.80.0011
20291.80.0011

White Ibis Survey Routes in North Carolina

Routes recording White Ibis in North Carolina.
Shallotte16419911968
Milltail Cr3820212000
Supply2820241992
Green Swamp2020062004
Reelsboro1820112002
Congleton1520122012
Cayton1220212019
Merrimon1120231977
Myrtle Grove1120241970
Jarvisburg 2420172010
Wards Corner320241994
Hallsboro320191986
Ernul220062006
Maple Hill220212006
Sheep Ridge120062006
Broad Creek120101993
Kinston120062006
Newport120161995
Montague120071993
Mattamuskeet120142006

White Ibis Population Trend in Other States

alabamaarkansasfloridageorgialouisianamarylandmississippinew-jerseyoklahomasouth-carolinatexasvirginia

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