FIRE ISLAND - A dead humpback whale washed up on a beach in Suffolk County last night.

The whale was found near Davis Park on Fire Island around 8:30 p.m.

News 12 Long Island is told that the endangered species is about 30-feet long and is between 2 and 5 years old.

The Riverhead Foundation says that it is performing a necropsy to determine how the whale was killed.