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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]
Portal:Cetaceans/Did you know/1 . A Bottlenose Dolphin Breaching the water...dolphins often leap clear of the water when travelling at speed. This is because the density of water is much greater than that of air and they are able to travel faster by leaping out of the water.
Cetacea (/ s ɪ ˈ t eɪ ʃ ə /; from Latin cetus 'whale', from Ancient Greek κῆτος () 'huge fish, sea monster') is an infraorder of aquatic mammals belonging to the order Artiodactyla that includes whales, dolphins and porpoises.
As the whale's population numbers rebound, visits to the Seattle metropolitan area by orcas that prey on mammals and cetacean whales like humpbacks and grays have been increasing.
Three humpback whales jumped out of the water in unison in Cape Cod in front of stunned onlookers on Monday, 24 July. Extraordinary footage captured by Robert Addie shows the huge creatures ...
Humpback whales can measure 60 feet and weigh 40 tons, so when they breach nearly free of the surface their splashdowns are loud and spectacular. Watch: Breaching humpback whale makes boat ...
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They may be numerous, with some dolphins bearing over 100 teeth in their jaws. At the other extreme are the narwhals with their single long tusks and the almost toothless beaked whales with tusk-like teeth only in males. [20] In most beaked whales the teeth are seen to erupt in the lower jaw, and primarily occurs at the males sexual maturity. [21]