A pilot first spotted the whale last week. What caused the whale’s death isn’t yet known.

Climate change may be responsible for pushing Alaska’s Gray Whales up into estuaries and rivers like the Kuskokwim.

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

Three dead gray whales washed up on two different Kodiak Island beaches recently. The strandings happened within the span of a week.

Sixteen gray and humpback whales have been reported stranded off Washington and Oregon since April 3, the largest number in nearly two decades.