article_snippet: Unknown danger: A California gray whale is pictured breaching in Magdalena Bay, Baja California Sur, Mexico (file photo).
article_snippet: They can reach 49ft in length and weigh 36 tonnes and are often seen in Mexican waters .
article_snippet: Gray whales can reach 49ft in length and weigh 36 tonnes and are known to frequent Mexican waters, where Gray whales migrate annually between Gray whales feeding and breeding grounds.
article_snippet: Ahead of accident, Mexican authorities announced on Wednesday that the gray whale population in the area is unusually large this season, which runs from December to April.