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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]
The killer whales regularly demonstrate their competence by chasing seals up shelving gravel beaches, up to the edge of the water. The pursuing whales are occasionally partially thrust out of the sea by a combination of their own impetus and retreating water, and have to wait for the next wave to re-float them and carry them back to sea. [12]
Sign at Hammerfest Harbour in Norwegian and English warning against interfering with Hvaldimir. The whale appeared beginning on 26 April 2019 north of Hammerfest, off the island of Ingøya and near the village of Tufjord on the island of Rolvsøya, wearing a tight-fitting camera harness labelled "Equipment St. Petersburg", and rubbing against boats in apparent attempts to free himself.
The mystery as to why a beluga whale appeared off the coast of Norway wearing a harness may finally have been solved. The tame white whale, which locals named Hvaldimir, made headlines five years ...
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The four animals, two adults and two calves, beached in the estuary on the Kamchatka Peninsula this week and researchers and volunteers had to douse them with water at one point to prevent them ...
Beluga whale nicknamed Hvaldimir was allegedly moved from a facility owned by a dolphinarium in St Petersburg to an Arctic military programme
Even the long tusk of the narwhal is a vice-formed tooth. In many toothed whales, the depression in their skull is due to the formation of a large melon and multiple, asymmetric air bags. [citation needed] River dolphins, unlike most other cetaceans, can turn their head 90°. Most other cetaceans have fused neck vertebrae and are unable to turn ...