The Japanese began to catch gray whales beginning in the 1570s.

It has been used as a lookout for watching gray whales since 2005.

Today, experts believe there are 13,000 to 18,000 gray whales.

The "something" turns out to be a female gray whale, whose baby becomes separated from her.

Atlantic population of gray whale went extinct in late 17th Century.

The hunt also took an average of one or two gray whales each year until 1996.

It was like watching gray whales mate in deep water.

"It's the most endangered population of grey whales in the world," she said.

It is also a popular place to watch migrating gray whales.

A grey whale can remain underwater for up to fifteen minutes.