Download a professional PDF field guide featuring all the species found in Willacy County. Perfect for outdoor adventures, education, and nature exploration.
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Showing 20 most frequently observed species out of 75 total documented species.
Lince
Ocelot
Silverleaf Nightshade

Spiny Hackberry
Crested Caracara

Wild Lime
Scissor-Tailed Flycatcher
Plain Chachalaca
Long-Billed Thrasher
Great-Tailed Grackle
Great Kiscadee
Northern Mockingbird

Javelina
Turkey
Tree Duck

Texas Silverleaf
Jerusalem Thorn

Texas Ebony
Mexican-Olive

Get all 75 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Compared to 8 nearby locations in Willacy 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 Willacy County County.
The Willacy County ecosystem supports 75 documented wildlife species across 72 taxonomic genera. Located in Willacy County, Texas, this area provides critical habitat with diverse natural communities. The location hosts 16 frequently observed species and 14 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Lower Rio Grande Valley National Wildlife Refuge (Teniente) nearby has 3% more documented species, Willacy County offers unique wildlife observation opportunities. This location ranks #20 for species diversity among 100 Willacy County County natural areas, placing it in the 80th percentile for biodiversity.