Download a professional PDF field guide featuring all the species found in Hudson. Perfect for outdoor adventures, education, and nature exploration.
Your field guide will be delivered to this email address. Please double-check for accuracy.
Showing 20 most frequently observed species out of 80 total documented species.

Spring Peeper
Wood Frog
Spotted Salamander

Northern Leopard Frog
Bunchberry

Buckthorn

Blue-Spotted Salamander
Bead Fern
Green Frog

Shotbush
Clayweed
Polecatweed
Bluebead

Confusing Bumblebee
Squawvine
Heal-All
Dulcamara
Common Eastern Bumblebee
Tansy

Rugosa Rose
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 Penobscot County County, Maine
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 Penobscot County County.
The Hudson ecosystem supports 80 documented wildlife species across 64 taxonomic genera. Located in Penobscot County, Maine, 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. Compared to nearby Penobscot County, Hudson hosts 8% more species diversity.