Bear River Migratory Bird Refuge holds Utah’s clearest named cluster of muskrat reports. Smaller groups in Dixie National Forest and several national parks should be read as records from marshes, ponds, and slow waterways within those broad boundaries, not from their dry interiors.
Reports build through late winter and reach their strongest stretch in April and May. A second rise appears in November and December. Open water, access, and observer effort can all affect those seasonal pulses, so they aren’t a population count.
Full species profile
