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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 meters (98 ft) and weighing up to 199 tonnes (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 ...
The blue whale is the largest mammal of all time, with the longest known specimen being 33 m (108.3 ft) long and the heaviest weighted specimen being 190 tonnes. [ 15 ] [ 60 ] [ 61 ] The extinct whale species Perucetus colossus was shorter than the blue whale, at 17.0–20.1 meters (55.8–65.9 ft) but it is estimated to have rivaled or ...
Whales are fully aquatic, open-ocean animals: they can feed, mate, give birth, suckle and raise their young at sea. Whales range in size from the 2.6 metres (8.5 ft) and 135 kilograms (298 lb) dwarf sperm whale to the 29.9 metres (98 ft) and 190 tonnes (210 short tons) blue whale, which is the
Despite being the largest animal on the planet, blue whales maintain a life of secrecy, spending their days in the deep, open ocean. The opportunity to see a blue whale comes once-in-a-lifetime ...
According to the DOC, the spade-toothed whale was first documented in 1874 from lower jaw and teeth samples collected on Pitt Island, around 500 miles off New Zealand’s west coast.
Interestingly, female blue whales are usually larger than the males. Even a blue whale's heart it big. Treehugger shared, "It's the largest heart in the animal kingdom, weighing about 400 pounds.
Cetacea. 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 order Artiodactyla that includes whales, dolphins and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often ...
The pygmy blue whale is the only one of the three identifiable subspecies to be found regularly in tropical waters. It occurs from the sub-Antarctic zone to the southern Indian Ocean and southwestern Pacific Ocean, breeding in the Indian and South Atlantic oceans, and travelling south to above the Antarctic to feed, [4] [7] although they very rarely cross the Antarctic Convergence.