BirdAnalyst
Species · BCR 36 · BBS 2025 Release · 1966–2024

Little Blue Heron In Tamaulipan Brushlands

All regionsTamaulipan BrushlandsWetland birds

Little Blue Heron in Tamaulipan Brushlands has declined: down 29% on the route-weighted index since 1973.

-29%Since 1973
12Routes In Region
31Years

Notable Signals

No notable trend signals for Little Blue Heron in Tamaulipan Brushlands. See the full index history below.

Forecast

If the recent trend holds, Little Blue Heron in Tamaulipan Brushlands is projected to rise about 98% by 2029 — from 0.08 in 2024 to a central estimate of 0.16 (95% range 0.00–0.52). A 5-year backtest shows a typical error of ±152.9%, with 100% of held-out values landing inside the 95% band.

+98%Change by 2029
0.16Projected 2029 index
0.00–0.5295% range
±152.9%Backtest error
19702029
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
20250.170.000.53
20260.170.000.53
20270.170.000.53
20280.170.000.53
20290.160.000.52

Routes In Tamaulipan Brushlands

Routes recording Little Blue Heron in Tamaulipan Brushlands.
KingsvilleTEXAS91992
CatarinaTEXAS32000
ProgresoTEXAS22011
ZapataTEXAS11987
EncinalTEXAS12000
George WestTEXAS12017
HondoTEXAS12005
RaymondvilleTEXAS12024
LaredoTEXAS12015
MillettTEXAS12012
HeidelbergTEXAS12022
Millett 2TEXAS12021

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