A great blue heron spreads its wings, Wednesday, Nov. 20, 2024, in the Shark Valley area of Everglades National Park, Fla. (AP Photo/Rebecca Blackwell)
Florida International University professor John Kominoski, right, and research specialist Rafael Travieso collect water samples in Shark River Slough in Florida's Everglades National Park, Tuesday, May 14, 2024. (AP Photo/Rebecca Blackwell)
The U.S. Army Corps of Engineers works on the construction of the Everglades Agricultural Area Reservoir, intended to store polluted water from Lake Okeechobee and agricultural runoff so it can be cleaned in an adjacent stormwater treatment area before being released to flow south into the Everglades, Wednesday, May 15, 2024, in South Bay, Fla. (AP Photo/Rebecca Blackwell)
A dragonfly perches on a branch inside Everglades National Park, Fla., Tuesday, May 14, 2024. (AP Photo/Rebecca Blackwell)
Visitors look for alligators along the Anhinga Trail in Everglades National Park, Fla., Saturday, May 18, 2024. (AP Photo/Rebecca Blackwell)
Florida International University professor John Kominoski, right, and research specialist Rafael Travieso travel by airboat through Shark River Slough after collecting water samples and maintaining their automatic sampling equipment in Florida's Everglades National Park, Tuesday, May 14, 2024. (AP Photo/Rebecca Blackwell)
Fog blankets a section of Florida's Everglades National Park at daybreak on Saturday, May 18, 2024. (AP Photo/Rebecca Blackwell)
Visitors walk along a path in the Shark Valley area of Everglades National Park, Fla., Wednesday, Nov. 20, 2024. (AP Photo/Rebecca Blackwell)
Workers survey a canal along the site of the under-construction Everglades Agricultural Area Reservoir, intended to store polluted water from Lake Okeechobee and agricultural runoff so it can be cleaned and released to flow south into the Everglades, Wednesday, May 15, 2024, in South Bay, Fla. (AP Photo/Rebecca Blackwell)
A great egret flies past trees inside Everglades National Park, Fla., Sunday, May 19, 2024. (AP Photo/Rebecca Blackwell)
An alligator lurks in the water in the Shark Valley area of Everglades National Park, Fla., Wednesday, Nov. 20, 2024. (AP Photo/Rebecca Blackwell)