article_snippet.sent: Varvara, which is Russian for "Barbara," left Barbara primary feeding ground off Russia's Sakhalin Island to cross the  Pacific Ocean and down the West Coast of the United States to Baja, Mexico.
article_snippet.sent: Varvara's journey surpassed a record listed on the Guinness Worlds Records website.
article_snippet.sent: During Varvara's journey, Varvara visited "three major breeding areas for eastern gray whales," which was a surprise to Mate.
article_snippet.sent: Varvara was thought to be an endangered western whale, but Varvara ability to "navigate across open water over tremendously long distances is impressive," Varvara said in the release, which could mean that some western gray whales are actually eastern grays.
article_snippet.sent: With only 150 western gray whales believed to be in existence, that number might be even lower.
article_snippet.sent: Fourth baby orca born this season .