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Jabra direct1/8/2023 ![]() ![]() ![]() Onlookers at the time believed that the baby whale had been killed, but there was no direct evidence of this. In May 2021, a group of 13 orcas similarly attacked a humpback mother and calf in the Salish Sea. PWWA vessels have never directly observed orcas killing a humpback whale in the Salish Sea, but interactions between the two species have been on the increase in the region after humpback whale populations recently rebounded, following a severe decline brought about by historic whaling. (Image credit: Mollie Naccarato, Sooke Coastal Explorations, PWWA) (opens in new tab) If they survived the encounter, the humpback pair are due to begin their annual migration within the next few weeks, according to PWWA.Ī pair of orcas swim around one of the humpbacks. Reaper is a 4-year-old juvenile female known to spend the winter at breeding grounds off Jalisco, Mexico, and Hydra is an adult female known to migrate to Maui, Hawaii, where she’s given birth to at least three calves in her lifetime. The humpbacks were also identified by their tag numbers: BCX1948, also known as Reaper, and BCY1000, also known as Hydra. Unlike resident killer whales, which remain in large groups tied to a specific area, transient orcas form small groups and roam across a wider area and are known to be much more aggressive than other orcas. Transient orcas, also known as Bigg's killer whales, are an ecotype of killer whales - a kind of sub-species that is geographically distinct from the rest of its species. Some of the orcas from the group were identified as individuals from three factions of transient killer whales the T109As, T233s, and the T252s, which are frequently seen in the area.
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