A PDF field guide to the species reported in and around Castle Rock 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 Castle Rock County Park include Blue-Spotted Salamander, Rusty Blackbird, Red-Belted Bumble Bee, Common Eastern Bumblebee and Eastern Calligrapher. Plants lead the list with 16 species, followed by 4 insects and 2 birds.
The 20 species reported most often here, of 25 in the full guide.
Blackcap
Butterflyweed
Boar Thistle
Wood Sage

Blue-Spotted Salamander
Rusty Blackbird
Tell me what you're looking for, and I'll do my best to answer.
Turkeytail
Locust

Red-Belted Bumble Bee
Common Eastern Bumblebee
Eastern Calligrapher
Pale Tiger Moth

Bluejacket

Hazel
Blackeyed Susan

Wild Tea

Northern Lady Fern
Larch
Tell me what you're looking for, and I'll do my best to answer.
Fan Clubmoss
Ghost Pipe