Download a professional PDF field guide featuring all the species found in Weir. Perfect for outdoor adventures, education, and nature exploration.
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Showing 20 most frequently observed species out of 74 total documented species.
Hackberry Emperor
Common Whitetail
Great Egret
Honeybee
Green Clearwing
Tawny Emperor
Blanchard'S Cricket Frog
Ten-Petal Anemone
Black Vulture
Egret
Red-Winged Blackbird
American Rubyspot

Texas Cooter
Greater Yellowlegs
Great Blue Heron
Orange Sulfur
Pied-Billed Grebe
Pearl Crescent
Monarch
Common Buckeye
Get all 74 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Compared to 8 nearby locations in Williamson 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 Williamson County County.
The Weir ecosystem supports 74 documented wildlife species across 69 taxonomic genera. Located in Williamson County, Texas, this area provides critical habitat with diverse natural communities. The location hosts 15 frequently observed species and 14 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife.