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Drone video of gray whales captured over seven years off Oregon has revealed new details about how the giant marine mammals find and eat food. Among the findings, described in two studies ...
The gray whale (Eschrichtius robustus), [1] also known as the grey whale, [5] is a baleen whale that migrates between feeding and breeding grounds yearly. It reaches a length of 14.9 meters (49 ft), a weight of up to 41 tonnes (90,000 lb) and lives between 55 and 70 years, although one female was estimated to be 75–80 years of age.
Eschrichtiidae or the gray whales is a family of baleen whale (Parvorder Mysticeti) with a single extant species, the gray whale (Eschrichtius robustus), as well as four described fossil genera: Archaeschrichtius (), Glaucobalaena and Eschrichtioides from Italy, [1] [2] and Gricetoides from the Pliocene of North Carolina. [3]
The second gray whale, which was captured in 1971 from the same lagoon, was named Gigi II and was released a year later after becoming too big. [158] The last gray whale, J.J., beached itself in Marina del Rey, California, where it was rushed to SeaWorld San Diego and, after 14 months, was released because it got too big to take care of ...
In 2009, researchers from the Monterey Bay Aquarium Research Institute discovered (what is likely) the 16-foot-long carcass of a gray whale (Eschrichtius robustus) decomposing at the bottom of the ...
Between 2018 and 2023, hundreds of gray whale carcasses washed up along the West Coast. A food shortage led to the phenomenon, which is over, scientists say.
In general, blue whale populations migrate between their summer feeding areas near the poles and their winter breeding grounds near the tropics. There is also evidence of year-round residencies, and partial or age/sex-based migration. Blue whales are filter feeders; their diet consists almost exclusively of krill. They are generally solitary or ...
Growing to about 49 feet, gray whales are among the top 10 largest baleen cetaceans. There are an estimated 26,000 in eastern North Pacific Ocean. Rare gray whale seen off Nantucket is good and ...