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

Western Cattle-Egret Population Trend in New Mexico

All statesWetland birds

Western Cattle-Egret in New Mexico has collapsed: down 81% on the route-weighted index since 1994.

-81%Since 1994TrendPercent 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 →
5Routes 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 →
12YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Western Cattle-Egret 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 →

Western Cattle-Egret has collapsed in New Mexico: down 81% on the route-weighted index since 1994.

Western Cattle-Egret Survey Routes in New Mexico

Routes recording Western Cattle-Egret 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 →
Laborcita220191992
Columbus220132009
Bitter Lake120132013
Mesilla119991992
Rodeo119941994

Western Cattle-Egret Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradodelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandminnesotamississippimissourinebraskanevadanew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawisconsinwyoming

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