A PDF field guide to the species reported in and around Rock Creek County 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 Rock Creek County Park include Common Map Turtle, Red-Headed Woodpecker, American White Pelican, Painted Turtle and Great Egret. Plants lead the list with 14 species, followed by 5 birds and 2 reptiles.
The 20 species reported most often here, of 21 in the full guide.

Common Map Turtle
Poison Ivy
Red-Headed Woodpecker
American White Pelican

Cardinalflower
Painted Turtle
Tell me what you're looking for, and I'll do my best to answer.
Great Egret

Eurasian Tree Sparrow

Frost Grape
Arrowwood

Catnip
Callery Pear
Peppergrass
Ragweed
Silkweed
Mullein
Beebalm
Eastern Bluebird
Tell me what you're looking for, and I'll do my best to answer.

Althea
Butterflyweed