Download a professional PDF field guide featuring all the species found in Delaware County. Perfect for outdoor adventures, education, and nature exploration.
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Showing 20 most frequently observed species out of 74 total documented species.
Wineberry
Hedge Garlic

Spotted Lanternfly
Mayapple
Haymaids
American Robin
Canada Goose
Tuliptree
Pilewort
Ailanthus
Japanese Barberry
Great Blue Heron
Common Eastern Bumblebee
Mallard
White-Tailed Deer
Common Cardinal
Catbird
Red-Winged Blackbird
Song Sparrow
Paper Mulberry
Get all 74 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Compared to 8 nearby locations in Delaware County County, Pennsylvania
These comparisons are based on documented wildlife observations from citizen science data. Locations with higher species counts may have more observation activity, different habitat types, or larger coverage areas. Regional rankings help identify biodiversity hotspots and unique natural areas within Delaware County County.
The Delaware County ecosystem supports 74 documented wildlife species across 70 taxonomic genera. Located in Delaware County, Pennsylvania, this area provides critical habitat with diverse natural communities. The location hosts 15 frequently observed species and 14 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Upland nearby has 7% more documented species, Delaware County offers unique wildlife observation opportunities.