BirdAnalyst
Species · New Mexico · BBS 2025 Release · 1966–2024

Harris's Hawk Population Trend in New Mexico

All statesGeneralists

Harris's Hawk in New Mexico has collapsed: down 84% on the route-weighted index since 1993.

-84%Since 1993TrendPercent 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 →
6Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
14YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Harris's Hawk Trends in New MexicoNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Harris's Hawk has collapsed in New Mexico: down 84% on the route-weighted index since 1993.

Harris's Hawk Survey Routes in New Mexico

Routes recording Harris's Hawk in New Mexico.
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 →
Bitter Lake220072007
San Simon120171982
Gage120071992
Jornada120122012
Sunshine Wll120142014
Rodeo120001995

Harris's Hawk Population Trend in Other States

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