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The family Balaenidae, the right whales, contains two genera and four species. All right whales have no ventral grooves; a distinctive head shape with a strongly arched, narrow rostrum, bowed lower jaw; lower lips that enfold the sides and front of the rostrum; and long, narrow, elastic baleen plates (up to nine times longer than wide) with fine baleen fringes.
Porpoises range in size from the vaquita, at 1.4 metres (4 feet 7 inches) in length and 54 kilograms (119 pounds) in weight, to the Dall's porpoise, at 2.3 m (7 ft 7 in) and 220 kg (490 lb). Several species exhibit sexual dimorphism in that the females are larger than males. They have streamlined bodies and two limbs that are modified into ...
This category contains articles about Cetacea, including whales, dolphins and porpoises. Subcategories This category has the following 21 subcategories, out of 21 total.
Dawn the humpback whale in the Sacramento River in 2007 Cetaceans are the animals commonly known as whales , dolphins , and porpoises . This list includes individuals from real life or fiction, where fictional individuals are indicated by their source.
A stranding is when a cetacean leaves the water to lie on a beach. In some cases, groups of whales strand together. The best known are mass strandings of pilot whales and sperm whales. Stranded cetaceans usually die, because their as much as 90 metric tons (99 short tons) body weight compresses their lungs or breaks their ribs. Smaller whales ...
There are now four cetacean species living in or regularly visiting the busy waters east of the Golden Gate — harbor porpoises, gray whales, humpback whales and bottle-nosed dolphins.
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Pictures released by a conservation group show a young humpback whale breaching in front of the Space Needle as it visited the waters off Seattle last week, capturing a rare display of wildlife ...