Download a professional PDF field guide featuring all the species found in Passaic River. Perfect for outdoor adventures, education, and nature exploration.
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Showing 20 most frequently observed species out of 80 total documented species.
Polecatweed

Amberbell
House Wren
Wineberry
Catbird
Silverspotted Skipper
Tree Swallow
Eastern Bluebird

Groundnut
Green Frog
Red-Bellied Woodpecker
Chicken Hawk
Jack O Lantern
Eastern Phoebe
Bow
American Robin
Mayapple
American Goldfinch
Ovenbird
Jumpseed
Get all 80 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Compared to 8 nearby locations in Somerset County County, New Jersey
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 Somerset County County.
The Passaic River ecosystem supports 80 documented wildlife species across 76 taxonomic genera. Located in Somerset County, New Jersey, this area provides critical habitat with diverse natural communities. The location hosts 17 frequently observed species and 15 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife.