Mammals of Portland, Oregon
The mammals most often spotted near Portland, ranked by recent research-grade observations.
Naturalists have logged 16,742 research-grade observations across the 50 most-recorded species near Portland. The most frequently seen is the Eastern Gray Squirrel, with 2,527 recorded sightings.
Rarer finds confirmed near Portland include Camas Pocket Gopher, Bobcat and Central Pacific Jumping Mouse - uncommon enough that a sighting is worth logging.
Most-observed mammals near Portland
Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.
Mammals in nearby places
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