Goliad State Park Professional Review and Guide
"This site lies along the San Antonio River, which is the dividing line between the Tamaulipan scrub and the eastern deciduous forests. Several eastern birds, including Ruby-throated Hummingbird, Red-bellied Woodpecker, Great Crested Flycatcher, American Crow, Blue Jay, and Carolina Chickadee, reach the southern limits of their breeding grounds in the area. Buff-bellied Hummingbird, Golden-fronted Woodpecker, Brown-crested Flycatcher, Long-billed Thrasher, and Olive Sparrow reach the northern limits of their breeding grounds here.
Key birds: Anhinga, White-tailed Hawk, Harris’s Hawk, Crested Caracara, Wild Turkey, Greater Roadrunner, Groove-billed Ani, Green Kingfisher, Golden-fronted Woodpecker, Cactus Wren, Longbilled Thrasher, Curve-billed Thrasher, Olive Sparrow, and Pyrrhuloxia are present year-round. Black-bellied Whistling-Duck, Lesser and Common Nighthawks, Pauraque, Buff-bellied Hummingbird, Brown-crested and Scissor-tailed Flycatchers, Couch’s Kingbird, Cave Swallow, Painted Bunting, Dickcissel, Grasshopper Sparrow, and Bronzed Cowbird occur in summer. Osprey, Sandhill Crane, Burrowing Owl, and American and Sprague’s Pipits can usually be found in winter."