Download a professional PDF field guide featuring all the species found in Costello Park. Perfect for outdoor adventures, education, and nature exploration.
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Showing 20 most frequently observed species out of 80 total documented species.
Bluebells

Marbled Salamander
Mayapple
Purslane
Pawpaw
Small Phigalia
Asian Lady Beetle
Poke
Pilewort

Amberbell
Barred Owl

Spring Fishfly
Bluets
Wild Geranium
Coppery Leafhopper

Packard'S Wave

Upland Chorus Frog
Haymaids
Green Frog
Carolina Wren
Get all 80 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
The Costello Park ecosystem supports 80 documented wildlife species across 75 taxonomic genera. Located in Manassas Park, Virginia, 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 Manassas Park, Costello Park hosts 1% more species diversity. This location ranks #4 for species diversity among 32 Manassas Park County natural areas, placing it in the 88th percentile for biodiversity.
Compared to 8 nearby locations in Manassas Park County, Virginia
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 Manassas Park County.