A PDF field guide to the species reported in and around Calvert Regional 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 Calvert Regional Park include Spotted Orbweaver, Painted Lady, Ruby-Throated Hummingbird, Shorelark and House Fly. Insects lead the list with 29 species, followed by 10 plants and 6 birds.
The 20 species reported most often here, of 50 in the full guide.

Moth Mullein
Spotted Orbweaver
Painted Lady
Ruby-Throated Hummingbird
Shorelark

Tell me what you're looking for, and I'll do my best to answer.

House Fly

Grass Looper

Marbled Orbweaver
Tan Jumping Spider
Large Lace Border

Western Conifer Seed Bug
Orb Weavers

Ladybird Beetle
Spotted Cucumber Beetle
Oblique Stripetail
Tell me what you're looking for, and I'll do my best to answer.
Drone Fly
Yellow Woollybear