The filing Monday of a motion to intervene in the case initially brought by environmental groups signals a new level of opposition by the tribe, which is also a major political donor in the state.

Florida raced to open the center, eager to help President Donald Trump’s immigration crackdown by providing more detention capacity.

Another powerful group has petitioned to join a federal lawsuit to shut down the Everglades migrant detention camp known as “Alligator Alcatraz,” given that the state has given no end date, and no assurances that this will not become a permanent facility.