MONTANA DE ORO STATE PARK, Calif. -

There is a new smelly attraction on one of Montana de Oro State Sark's shores and it washed up on Friday.

The carcass of a 35-feet long teenage humpback whale was first spotted when a visitor was walking on the beach Friday morning.

Scientists performed a necropsy but found the whale had been dead for days; it is so decomposed they can’t figure out how it died.

There's nothing they can do with the carcass now but leave it on the beach; A scientist says it will become food for the birds or may just wash back into the ocean.