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Porpoises, and other cetaceans, belong to the clade Cetartiodactyla with even-toed ungulates. 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).
Patterns of coloration are highly variable, but Dall's porpoises are mostly black, have white to grey patches on the flank and belly, and frosting on the dorsal fin and trailing edge of the fluke. [6] [7] They are the largest porpoise species, growing up to 2.3 metres (7 ft 7 in) in length and weighing 130–220 kilograms (290–490 lb). [7]
The harbour porpoise (Phocoena phocoena) is one of eight extant species of porpoise.It is one of the smallest species of cetacean.As its name implies, it stays close to coastal areas or river estuaries, and as such, is the most familiar porpoise to whale watchers.
Karen Liane Pryor (née Wylie; May 14, 1932 – January 4, 2025) was an American author who specialized in behavioral psychology and marine mammal biology. She was the founder and proponent of clicker training. [1]
The vaquita (/ v ə ˈ k iː t ə / və-KEE-tə; Phocoena sinus) is a species of porpoise endemic to the northern end of the Gulf of California in Baja California, Mexico.Reaching a maximum body length of 150 cm (4.9 ft) (females) or 140 cm (4.6 ft) (males), it is the smallest of all living cetaceans.
Although not aquatic animals, these birds are supported by the food and habitat the harbor provides, particularly Jamaica Bay and the Pelham Islands. Many of these birds will fly within sight of the Manhattan skyline and the estuary is a very important point for the East Coast because of its location: it is dead center in the Atlantic Flyway and many raptors and waterfowl use this spot as a ...
Cetacean intelligence is the overall intelligence and derived cognitive ability of aquatic mammals belonging in the infraorder Cetacea (cetaceans), including baleen whales, porpoises, and dolphins. In 2014, a study found for first time that the long-finned pilot whale has more neocortical neurons than any other mammal, including humans ...
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.