Mammals of Delaware
The mammals most often spotted in Delaware, ranked by recent research-grade observations.
Naturalists have logged 9,760 research-grade observations across the 46 most-recorded species in Delaware. The most frequently seen is the White-tailed Deer, with 1,914 recorded sightings.
Most-observed mammals in Delaware
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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