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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
Whales are described in particular by Aristotle, Pliny and Ambrose. All mention both live birth and suckling. Pliny describes the problems associated with the lungs with spray tubes and Ambrose claimed that large whales would take their young into their mouth to protect them. In the Bible especially, the leviathan plays a role as a sea monster.
...whale and dolphin mothers ‘suckle’ their young underwater! Mothers have muscular mammary glands and ‘squirt’ their milk into the calf’s mouth, to ensure that the calf takes in as much of the energy rich milk as possible....on average, a whale or dolphin will eat four to five percent of its body weight in food per day.
Whales do not lay eggs. Since they are mammals, they give birth to live young. There are only five known monotremes , or egg-laying mammals, according to the Carnegie Museum of Natural History.
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Fewer than 400 individual North Atlantic right whales remain in the wild, and their numbers continue to decline. Oceana, a conservation group based in D.C., has reported numerous collisions ...
...whale and dolphin mothers ‘suckle’ their young underwater! Mothers have muscular mammary glands and ‘squirt’ their milk into the calf’s mouth, to ensure that the calf takes in as much of the energy rich milk as possible....on average, a whale or dolphin will eat four to five percent of its body weight in food per day.
The sperm whale or cachalot (Physeter macrocephalus) is the largest of the toothed whales and the largest toothed predator.It is the only living member of the genus Physeter and one of three extant species in the sperm whale family, along with the pygmy sperm whale and dwarf sperm whale of the genus Kogia.