Download a professional PDF field guide featuring all the species found in Calliham. Perfect for outdoor adventures, education, and nature exploration.
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Compared to 8 nearby locations in McMullen County County, Texas
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 McMullen County County.
Showing 20 most frequently observed species out of 80 total documented species.
White-Tailed Deer
Scarlet Flycatcher
Turkey

Javelina
Long-Billed Thrasher
Red-Winged Blackbird
Hackberry Emperor
Phaon Crescent
Great Egret
Golden-Fronted Woodpecker
Variegated Fritillary
American Snout
Gadwall
American Coot
Savannah Sparrow
Common Cardinal
Harris' Hawk
Eastern Phoebe
Queen
Crested Caracara
Get all 80 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
The Calliham ecosystem supports 80 documented wildlife species across 75 taxonomic genera. Located in McMullen County, Texas, 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 McMullen County, Calliham hosts 3% more species diversity. This location ranks #6 for species diversity among 49 McMullen County County natural areas, placing it in the 88th percentile for biodiversity.