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Humpback whale breach sequence. A breach or a lunge is a leap out of the water, also known as cresting. The distinction between the two is fairly arbitrary: cetacean researcher Hal Whitehead defines a breach as any leap in which at least 40% of the animal's body clears the water, and a lunge as a leap with less than 40% clearance. [2]
When they swallow they stream the water out through their baleen as they ingest the fish. [3] The fish that they ingest are also a source of hydration for them. [3] Bubble netting is an advanced and necessary feeding method developed by humpback whales to feed multiple mouths at one time. Humpback whales do not always feed in large groups. [5]
The updated recovery plan in 2016-2020 identified the primary threats to orca populations as 1) negative interactions with vessels, and 2) depletion of salmon food sources. The need for protection of orca health, habitat, and conservation through outreach were emphasized. [34]
An orca pod in the Pacific Ocean off the coast of Mexico has devised a cunning strategy to hunt and kill whale sharks — the world’s largest fish that can grow up to 18 meters (60 feet) in ...
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In 2004, scientists at the University of Tasmania linked whale strandings and weather, hypothesizing that when cool Antarctic waters rich in squid and fish flow north, whales follow their prey closer towards land. [3] In some cases predators (such as killer whales) have been known to panic other whales, herding them towards the shoreline. [3]
An orca breaching in Hood Canal. The marine mammals of the Salish Sea are numerous and diverse, both in taxonomy and morphology. A total of six species of pinnipeds, eight species of baleen whales, seventeen species of toothed whales, and one mustelid (the sea otter) inhabiting the local waters of the Salish Sea and the outer coastal waters over the continental shelf off Washington and British ...
Whether they're born in the wild or in captivity, all orcas born have the same innate drive to swim far and dive deep. This is what they do. They can't do this when they are kept in a tank, no ...