Two cave-dwelling catfish species from the San Antonio area might be added to the endangered species list after federal officials say too much water is being pumped out of the Edwards Aquifer.

A bat falcon has been spotted in the U.S. for the first time in recorded history and the bird of prey made its appearance in the great state of Texas.

In a rare move, the U.S. government is giving up hope of finding 23 species, including one from San Marcos.