American bullfrog
Over 250 species of birds in addition to Attwater's prairie chicken have been observed in the refuge. Some of these include the fulvous whistling duck, black-bellied whistling duck, white-tailed hawk, crested caracara, scissor-tailed flycatcher, dickcissel, roseate spoonbill, anhinga, Sprague's pipit, and sandhill crane. Mammals in the refuge include plains bison, thirteen-lined ground squirrel, bobcat, coyote, nine-banded armadillo, and white-tailed deer. American alligators share the ponds with softshell turtles. American bullfrog and