Thirteen-lined ground squirrels are easiest to catch on camera right after they wake from hibernation, and the pattern in Kansas reports backs that up: sightings jump to their yearly high in April, stay close to that level through July, and nearly vanish by October when the squirrels have gone back underground. That spring spike is a detection pattern, tied to when the animals are active and visible above ground, not a birth pulse.
Reports lean toward western Kansas, led by Logan and Trego counties with 11 each, the open, short-vegetation country this ground squirrel needs to watch for predators while it forages. Most of the 98 records, 88 of them, are iNaturalist photos, so the Kansas picture comes largely from casual sightings rather than trapping studies.
NatureServe calls it Secure both in Kansas and range-wide, and its middle-of-the-pack report volume here fits an animal that’s genuinely widespread but easy to overlook against bare, grazed ground.
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