No iNaturalist photos back New Mexico’s record of the Chihuahuan grasshopper mouse. Every one of its 589 documented occurrences here comes from GBIF specimen and survey data, a sign that this nocturnal hunter is confirmed by trap lines and museum vouchers rather than by anyone getting a clear look at it in the field. That fits an animal that stalks insects after dark and rarely sits still long enough to be noticed.
NatureServe ranks the species S3, vulnerable in New Mexico, a step down from its global least-concern status. The gap matters: a species can be secure continent-wide while still under real pressure at the edge of its range, and New Mexico sits near the northern limit of the Chihuahuan Desert grassland this mouse depends on.
Reports rise in spring and again in October, but with data this thin, that pattern reads more like when a handful of surveys happened to run than any real seasonal shift in the population.

