Download a professional PDF field guide featuring all the species found in O'Brien. Perfect for outdoor adventures, education, and nature exploration.
Your field guide will be delivered to this email address. Please double-check for accuracy.
Showing 20 most frequently observed species out of 37 total documented species.

Bullock'S Oriole
Great Crested Flycatcher
Ladder-Backed Woodpecker
Mississippi Kite
Painted Bunting
American Robin
Western Kingbird
Golden-Fronted Woodpecker
Turkey Vulture
Ash-Throated Flycatcher
American Goldfinch
Common Cardinal
Downy Woodpecker
Northern Mockingbird
Bobwhite
Harris' Sparrow
Orchard Oriole
Eastern Cottontail
Yellow-Bellied Sapsucker
Red-Headed Woodpecker
Get all 37 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Compared to 8 nearby locations in Haskell 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 Haskell County County.
The O'Brien ecosystem supports 37 documented wildlife species across 29 taxonomic genera. Located in Haskell County, Texas, this area provides critical habitat with diverse natural communities. The location hosts 8 frequently observed species and 7 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Haskell County nearby has 52% more documented species, O'Brien offers unique wildlife observation opportunities. This location ranks #10 for species diversity among 54 Haskell County County natural areas, placing it in the 81th percentile for biodiversity.