USF&W has jurisdiction and their report is decisive in allowing the golf course to continue operation. But that would likely lead to an appeal to a higher court.
Interestingly, the three plaintiff organizations claiming ecological pedigree in this battle have not returned any phone calls or emails. And the Center for Biological Diversity based in Tucson, one of the three groups, is a massively well-funded organization that makes a fortune off suits in which it collects a share of punitive fees once judgments are rendered. As a big business profiting off the bureaucratic system, it is hardly a progressive group. Unfortunately, well-intentioned regulatory laws designed (and needed) to protect the environment become in this way hijacked by corporate legal entities.