Thursday, February 7, 2013

Harbor Porpoise


Animal You | Harbor Porpoise | Pigs are a bit smaller than other porpoises, about 67-85 cm (26-33 inches) long at birth, 6.4 to 10 kg. Fins, dorsal fin, caudal fin and a dark gray back. Party a little easier variegated gray. Pigs English word comes from the Old French (French pourpois porpais 12 cents). What porcopiscus medieval Latin, which is a compound porcus (pork) and piscus (fish). An old word, probably a loan translation of German words, Friday marsvin mereswijn Danish and Dutch (porpoises). Classical Latin had a similar name, porculus Marina, and the idea of the name, probably imaginary nose looks like pigs or pigs breathing sound that resembles a pig snoring.

Taxonomic species RNosaepa rNosaepa name, the Greek form verlatijnste φώκαινα, phōkaina "Great Seal", as described by Aristotle, he φώκη, phōkē "printing." Pig widespread species in the cold coastal waters of the North Atlantic the North Pacific and the Black Sea. population of these regions, current and classified as a subspecies of P. separate Phocoena g in the North Atlantic and West Africa, P. relicta was in the Black Sea and the Sea of Azov, the persons named in the Pacific Northwest and P. g vomerina in the northeast Pacific. In the Atlantic port porpoises may be in a curved strip of water off the coast of West Africa to the coast of Spain, France, Great Britain, Ireland, Scandinavia, Iceland, Greenland, Nova Scotia and Newfoundland and the east coast of the United States. Pig has a total population of 700,000 people. Areas with a large number include the North Sea, where about 350,000 pigs, as well as in the Gulf of Maine / Bay of Fundy region, the West Coast and Alaska.

Porpoises prefer temperate and subarctic waters. When in deeper waters, guinea pigs can operate in water as fish pearlsides. Young pigs approximately 7% to 8% of their body weight consumed each day to survive, which is about 15 pounds or 7 kg of fish. Predators include porpoises white sharks and killer whales (orcas). Dive into 220m porpoises were reported. Porpoises of social life are not well understood. They are generally considered solitary species. Most of the time, the pig alone or in groups of five animals. Porpoises analysis. Males produce large quantities of seed, perhaps sperm competition. 10.11 months pregnant pigs usually. Porpoises were traditionally hunted for their meat and their cries, used to relieve fuel. Thousands of guinea pigs is the end of the 19th century and still clinging on a smaller scale during the world wars. In prehistoric times, this animal hunting people Alby on the east coast of the island of Öland, Sweden.

Population of harbor porpoises in the North Sea, the Baltic Sea, the Northwest Atlantic, Black Sea and North-West Africa listed in Annex II of the Convention on the Conservation of Migratory Species Wild Animals (CMS). The greatest threat to pigs are static methods of fishing, such as gill nets and Hill. Bycatch from the Black Sea, the Baltic Sea, the North Sea and the east coast of the United States and Canada. Porpoise explosion device called an acoustic transmitter designed to keep pigs from the network, and many studies have shown to be very effective in reducing the confusion. However, the question was raised about the noise pollution created to reduce ping and if their effectiveness over time with pigs that live sound.
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