A PDF field guide to the species reported in and around Patuxent State Park, with common and scientific names and up to 3 photos of each, laid out for use in the field and offline.
The animals people report most often in and around Patuxent State Park include Water Treaders, Common Whitetail, Planthopper, Green Clearwing and Spangled Skimmer. Insects lead the list with 20 species, followed by 14 plants and 4 amphibians.
The 20 species reported most often here, of 50 in the full guide.

Water Treaders
Mottled Pipsissewa
Common Whitetail
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Planthopper

Mayflower
Green Clearwing
Squawvine
Pawpaw
Spangled Skimmer
Six-Spotted Tiger Beetle
Fowler'S Toad
Five-Lined Skink
American Toad
Eastern Bluebird
Tell me what you're looking for, and I'll do my best to answer.
Blue Dasher