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At least 15,000 whales are estimated to inhabit the North Atlantic. [35] In the Northeast Atlantic, two orca ecotypes have been proposed. [36] Type 1 orcas consist of seven haplotypes and include herring-eating orcas of Norway and Iceland and mackerel-eating orcas of the North Sea, [36] as well as seal-eating orcas off Norway.
Orcas also prey on larger species such as sperm whales, grey whales, humpback whales and minke whales. [ 83 ] [ 39 ] On three separate occasions in 2019 orcas were recorded to have killed blue whales off the south coast of Western Australia, including an estimated 18–22-meter (59–72 ft) individual. [ 88 ]
The Iberian orca subpopulation lives in the coastal waters of the Iberian Peninsula and is genetically distinct from other orca populations in the Northeast Atlantic. [1] The orcas follow the seasonal migration of Atlantic bluefin tuna (Thunnus thynnus), their primary food source, gathering in the early spring in the Strait of Gibraltar ...
The remote Portuguese archipelago, consisting of nine volcanic islands about 900 miles west of Lisbon, lies in the North Atlantic Ocean, putting it on the migration route of several whale species ...
The whale’s route of migration, however, remains unknown. The latest study provides further proof of long-distance migration by humpback whales. Researchers say that understanding how frequently ...
Old Thom is a male North Atlantic killer whale (orca) known for being the only killer whale to regularly be sighted in the Gulf of Maine and the Bay of Fundy.Often referred to as a loner, the whale has never been seen with other orcas, but is often accompanied by Atlantic white-sided dolphins, who seem to feed alongside the orca. [1]
A beloved whale ditched his migration to Mexico and went to Washington’s Puget Sound months early to snack on shrimp, a whale group said. Little Patch was spotted and identified Dec. 11 in the ...
Many whale watching organizations throughout the region target the orcas, including resident and transient groups, and often work with nonprofit organizations like the Center for Whale Research and The Whale Museum to promote orca conservation. Native American tribes and First Nations throughout the area hold the whales in high regard.