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Balaenoptera sibbaldii Sars 1875. The blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale. Reaching a maximum confirmed length of 29.9 m (98 ft) and weighing up to 199 t (196 long tons; 219 short tons), it is the largest animal known ever to have existed. [a] The blue whale's long and slender body can be of various shades ...
Cetacea (/ sɪˈteɪʃə /; from Latin cetus ' whale ', from Ancient Greek κῆτος (kêtos) ' huge fish, sea monster ') [ 3 ] is an infraorder of aquatic mammals belonging to the suborder Whippomorpha that includes whales, dolphins and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size ...
The blue whale was not the only marine life passengers saw on the trip. Laurino said they observed about 20 fin whales, pilot whales, several dolphin species, a manta ray that breached the surface ...
Marine mammals are mammals that rely on marine (saltwater) ecosystems for their existence. They include animals such as cetaceans (whales, dolphins and porpoises), pinnipeds (seals, sea lions and walruses), sirenians (manatees and dugongs), sea otters and polar bears. They are an informal group, unified only by their reliance on marine ...
September 26, 2024 at 1:46 PM. CAPE MAY, N.J. - A boat full of unsuspecting spectators lucked out with a once-in-a-lifetime experience at the Jersey Shore. The Cape May Whale and Research Center ...
Stunning photo shows diver's close encounter with 100-foot blue whale. Alex Lasker. Updated May 28, 2019 at 2:02 PM. An underwater photographer who got up close and personal with a massive blue ...
Toothed whale. The toothed whales (also called odontocetes, systematic name Odontoceti) are a clade of cetaceans that includes dolphins, porpoises, and all other whales with teeth, such as beaked whales and the sperm whales. 73 species of toothed whales are described. They are one of two living groups of cetaceans, the other being the baleen ...
There are at least nine separate blue whale acoustic populations worldwide. [39] Over the last 50 years blue whales have changed the way they are singing. Calls are progressively getting lower in frequency. For example, the Australian pygmy blue whales are decreasing their mean call frequency rate at approximately 0.35 Hz/year. [40]