Northern rock mouse lives among boulder piles and rocky outcrops in Arizona’s higher country, a habitat specialist whose bottom-quarter record likely reflects how much of that rugged terrain goes unsurveyed rather than true scarcity.
Every logged sighting falls in a single July count, a pattern that reads as one trapping survey rather than a true seasonal peak; a rock-crevice specialist this rarely documented needs a longer record before any month can be called typical.

