A harbor seal who swan inland and accidentally stranded himself in mud in Delaware is now recovering at the National Aquarium in Baltimore.

Phil the seal was rescued earlier this month after swimming into a muddy area with little water. Aquarium officials say Phil showed signs of declining health when he was located and rescued.

Phil is now recovering at the National Aquarium's rehabilitation center. Officials say Phil has started to eat on his own and was being treated for dehydration and an eye infection.

Once Phil is healed, he'll be released back into the ocean.