May 24, 2021 08:18 AM EDT POINT REYES STATION, CALIFORNIA - MAY 25: Barbie Halaska, necropsy manager with The Marine Mammal Center, removes sections of baleen from a dead juvenile Gray Whale on Limantour Beach at Point Reyes National Seashore on May 25, 2019 in Point Reyes Station, California. Scientists with The Marine Mammal Center examined the thirteenth Gray Whale that washed up dead on a San Francisco Bay Area beach to try and determine what is killing the whales. Dozens of Gray Whales have been found dead along the Pacific Coast between California and Washington since the beginning of t...