Fort Worth's location at the Cross Timbers–Prairie ecotone and along the Trinity River supports a rich mix of eastern, western, and southern species.
Resident: Northern Cardinal, Carolina Wren, Red-bellied Woodpecker, Blue Jay, Carolina Chickadee, Tufted Titmouse, Northern Mockingbird, Mourning Dove, Red-shouldered Hawk, Barred Owl.
Summer breeders: Scissor-tailed Flycatcher, Painted Bunting, Chimney Swift, Purple Martin.
Winter visitors: American Goldfinch, Cedar Waxwing, Yellow-rumped Warbler, Ruby-crowned Kinglet, various sparrows.
Waterbirds: Great Blue Heron, Great Egret, Belted Kingfisher, Wood Duck, Double-crested Cormorant (Trinity River, lakes).
Common: White-tailed deer, fox squirrel, eastern cottontail, raccoon, Virginia opossum, striped skunk, nine-banded armadillo, coyote, bobcat, gray fox.
Bats: Mexican free-tailed (huge colonies under bridges), evening bat, red bat.
Rodents: Hispid cotton rat, fulvous harvest mouse, plains pocket gopher.
Occasional: River otter (Trinity), beaver, mink, ringtail.
Snakes: Western diamondback rattlesnake, copperhead, Texas rat snake, western coachwhip, blotched water snake, rough green snake.
Lizards: Green anole, Texas spiny lizard, prairie lizard, Mediterranean gecko (introduced).
Turtles: Red-eared slider, common snapping turtle, Texas map turtle, box turtle.
Frogs/Toads: Gulf Coast toad, Rio Grande chirping frog, green treefrog, bullfrog.
Largemouth bass, white bass, hybrid striped bass, channel catfish, blue catfish, flathead catfish, white crappie, black crappie, bluegill, longear sunfish, common carp, longnose gar, spotted gar.
Urban green spaces (Fort Worth Nature Center, Trinity Park, Lake Worth, Eagle Mountain Lake) concentrate viewing opportunities.