Such sad news to see. Clearwater Marine Aquarium announced last night that Winter the Dolphin succumbed to her illness, and passed away. Winter was being treated for a gastrointestinal abnormality.
According to CMA:
During preparation for a procedure, the CMA Animal Care team observed that Winter’s behavior and vital signs were declining. The medical team tried several life-saving efforts, but she died being held by her caregivers.