Three rare reptile species endemic to South Florida, including two found exclusively in the Florida Keys, have been officially added to the nation's endangered species list. The Keys mole skink, rim rock crown snake, and Key ring-necked snake now receive federal protection following years of advocacy and legal action aimed at safeguarding them from development and the impacts of rising sea levels.

Habitat Loss Threatens Unique Species

The Center for Biological Diversity, represented by the Jacobs Public Interest Law Clinic at Stetson University, petitioned for the species' listing as far back as 2010 and 2012. According to Ragan Whitlock, an attorney for the Center for Biological Diversity, the process involved significant delays. "It's taken years, with a lot of heel-dragging from the government," Whitlock stated. He emphasized the evolutionary significance of these species, noting, "These species represent millions of years of unique evolutionary history. They're only found in Florida, where habitat loss is pushing them to the brink of extinction."

The addition to the endangered species list follows a settlement agreement with the U.S. Fish and Wildlife Service (FWS) mandating a final determination by July 16. Federal wildlife managers indicated that while they were working through a backlog of species needing protection, staffing reductions and policy changes under the previous administration complicated these efforts. The FWS reported nearly a 20% staff cut, according to records obtained by the Center for Biological Diversity. Changes also included making economic impacts a factor in designating critical habitat and removing automatic protections for newly listed species.

In a statement, FWS Southeast Regional Director Mike Oetker affirmed the agency's commitment to using science for species protection. "Florida’s natural heritage and its vibrant economy are deeply connected," Oetker said. "By using the best available science and working hand-in-hand with our local partners, we can protect imperiled wildlife while still encouraging responsible development and industry."

Vulnerability Remains Without Critical Habitat Designation

Despite the listing, concerns remain about the species' long-term survival. Whitlock criticized the FWS's decision not to designate critical habitat for the three reptiles, arguing that protection on paper is insufficient without safeguarding the places these animals live. "It is common sense that species cannot recover and get off the endangered species list if we protect it on paper, but fail to protect the places that they live," he stated.

The Keys mole skink, a small, burrowing lizard with a distinctive orange and red tail, has been observed on only 15 islands in the Keys over the past two decades, with half of those sightings occurring before 1999. This species favors low-lying sandy beaches, areas particularly susceptible to sea-level rise and intensified hurricane storm surges. The full details of endangered species protections can be found on the U.S. Fish and Wildlife Service website.

The two snake species, the rim rock crown snake and the Key ring-necked snake, are both approximately 10 inches long and inhabit the rocky crevices of pine rockland forests. These habitats provide essential water and shelter. The rim rock snake reproduces slowly, laying only two to three eggs per clutch, a stark contrast to invasive species like pythons which can lay over 100 eggs. Historically found in parts of the Lower and Upper Keys and mainland pine rocklands, current range estimates for the rim rock snake are unavailable due to its elusive nature and lack of recent surveys. Officials have found no evidence of these snakes migrating between islands, which could otherwise aid their survival against environmental changes.

Similarly, little is known about the tiny Key ring-necked snake, documented on only seven islands in the Lower Keys between Key West and No Name Key. Recent surveys have not been conducted for this species either. Whitlock expressed concern that reduced FWS staffing has hindered the scientific research necessary for effective species protection. "There’s been apathy at every level for protecting species for decades, but we are currently in the midst of an unprecedented attack on imperiled species," he said. "That's why there are situations like this where we must go to court and… force the government to fulfill its obligations under the Endangered Species Act." The broader implications for South Florida's unique ecosystems are significant, highlighting the ongoing challenges in balancing conservation with development. More information on endangered species in the region can be found through WLRN's reporting.