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

Red-shouldered Hawk In Tamaulipan Brushlands

All regionsTamaulipan BrushlandsGeneralists

Red-shouldered Hawk in Tamaulipan Brushlands has increased: up 47% on the route-weighted index since 1974.

+47%Since 1974TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
8Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
13YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Red-shouldered Hawk in Tamaulipan Brushlands. See the full index history below.

Routes In Tamaulipan Brushlands

Routes recording Red-shouldered Hawk in Tamaulipan Brushlands.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
KingsvilleTEXAS21983
HondoTEXAS22024
George WestTEXAS12017
CatarinaTEXAS11995
La PryorTEXAS12005
RaymondvilleTEXAS11977
Catarina 2TEXAS12017
GuerraTEXAS12012

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