A rare whale was found dead in the waters of Florida's Everglades National Park.

In , park officials said the Bryde's (pronounced BROO-dus) whale carcass was recovered Wednesday. The young adult male was 38 feet (12 meters) long and weighed nearly 30 tons (25 metric tons).

Federal Marine Mammal Stranding Network experts performed a necropsy, but it wasn't clear what caused the whale's death.

Bryde's whales are the only year-round resident baleen whale in the Gulf of Mexico. They are named for Norwegian whaler Johan Bryde, who helped build the first whaling stations in South Africa in the early 1900s.

Meanwhile, the Naples Daily News reports eight dolphins were found dead on Florida's southwest coast during the , when the federal scientists who would have responded were furloughed. Forty-two other dolphins were found dead in the same waters in late November.