Experts believe high water temperatures are the most likely cause of the deaths in the lakes in the region. Temperatures since last week have exceeded 102 degrees Fahrenheit in the Tefe Lake region.

The Marine Mammal Protection Act was amended in 2021 to prohibit people from being within 50 feet of spinner dolphins in Hawaii.

The luggage was unaccompanied on an international flight re-entering the U.S. The U.S. Fish and Wildlife Service is now in possession of the skull.

Rescuers say attempts to reach the dolphin and rescue it failed.