The Marine Mammal Center and California Academy of Sciences are reporting cause of death for one.

We could not figure out the what type of sea mammal it is.

Ocean scientists are concerned about dead gray whales that have washed up on the US West Coast this year at the highest rate in almost two decades.

A highly decomposed whale carcass was identified as a gray whale.

Dead gray whale (Eschrichtius robustus) reported off the Alaska Peninsula