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

Laughing Gull In Tamaulipan Brushlands

All regionsTamaulipan BrushlandsWetland birds

Laughing Gull in Tamaulipan Brushlands has edged down: down 19% on the route-weighted index since 1970.

-19%Since 1970
7Routes In Region
52Years

Notable Signals

No notable trend signals for Laughing Gull in Tamaulipan Brushlands. See the full index history below.

Forecast

If the recent trend holds, Laughing Gull in Tamaulipan Brushlands is projected to fall about 46% by 2029 — from 2.9 in 2024 to a central estimate of 1.6 (95% range 0.00–12). A 5-year backtest shows a typical error of ±1169.9%, with 100% of held-out values landing inside the 95% band.

-46%Change by 2029
1.6Projected 2029 index
0.00–1295% range
±1169.9%Backtest error
19672029
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
20251.90.0013
20261.80.0013
20271.70.0012
20281.60.0012
20291.60.0012

Routes In Tamaulipan Brushlands

Routes recording Laughing Gull in Tamaulipan Brushlands.
KingsvilleTEXAS322024
ProgresoTEXAS282011
San YgnacioTEXAS61981
RachalTEXAS31978
HeidelbergTEXAS32024
George WestTEXAS11991
RaymondvilleTEXAS12023

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