Whale jinsunan: jerin hotuna. Toothed Whales: Nau'in

Whales - daya daga cikin mafi ban mamaki dabbobi masu shayarwa inhabiting da ruwa expanses na duniya tamu. Wadannan dabbobi m da most of duk aka sani zuwa ga mutãne, a yau. Bugu da ƙari, cikin teku ya ba tukuna aka cikakken bincika, wanda shi ne dalilin da ya sa masana kimiyya lokaci zuwa lokaci bayar da sabon iri toothed Whales ne kullum karami, amma har yanzu. Whaling yau shi ya kai ga cewa Whale nau'in ci gaba da ake rage, kazalika da yawan jama'a, wanda shi ne bakin ciki sosai.

rarrabuwa

All Whales ya kasu kashi biyu kungiyoyin, da ake kira suborders. Ko da yake shi ne ya kamata a lura da cewa malamai sun gano uku na suborder. Daya daga cikinsu - da tsoho Whales. All membobin wannan kungiya sun zama dadaddun, da kuma bayyana su ba musamman ma'anar. Za mu yi magana a kan dabbobi da cewa har yanzu iyo a cikin tekuna da ruwaye, ko da idan akwai wani barazana da su bacewar.

Daya daga cikin wadannan suborders - baleen Whales. Bugu da kari, su sukan kira "manyan kifaye real." Na biyu suborder - toothed Whales. Karami wakilan, wanda sun hada da dabbobin ruwa da kuma porpoises, amma daga baya a kan wannan. Ya kamata a lura da cewa daban-daban na Whales ne batun halaka. A musamman, wannan ya shafi waɗanda suke da mafi girma darajar a cikin sana'ar kamun kifaye. Wannan blue Whale, filafilin kifi Whale, Gorbach na T. P.

Whale jinsunan: jerin, wani taƙaitaccen bayanin

Mun fara da baleen Whales da duka biyu mafi girma mafi tsoho. Wannan ya hada da dama kifi Whale nau'in da suke da cancanta ka da hankali. Ba shi da wuya a tsammani cewa, irin wannan dabba za a iya samu a gashin baki a cikin bakinka. Af, whalebone kuma nuna godiya, don haka wadannan dabbobi sau da yawa fada ganima ga mafarauta. The most wakilin wannan suborder - shudi Whale. Mai rajista mutum ya kai tsawon game da mita 30 da wani nauyi na 150 tons. Kuma shi ne quite m dabbobi, wanda rage cin abinci ne mafi yawa plankton da mollusks.

Bowhead Whale ne shahararren wakilin baleen Whales. A tsawon wannan giant wani lokacin kai 20 mita, gangar jikin dabba baki, gudana-free. Abin lura shi ne cewa shugaban ne game da 30% na jimlar tsawon na Whale. Ya zaune gabaɗaya a cikin Arctic tekuna. A yau shi ne kusan dadaddun jinsin, wadda ne musamman rare. Dalilin wannan ya whaling.

Dwarf da dama Whales

Kudancin dama kifi Whale da ɗan kama da garaya kamar a bayyanar da size. Saboda haka, an saba da mutum zai iya gauraya su. Ko da yake da sauki tsammani cewa mazauninsu na dabbobi ne sosai daban-daban. Kudancin dama Whales ba su samu a cikin Arctic tekuna, kazalika da Grecia bai gani a cikin temperate sashi daga cikin Pacific da kuma Atlantic tekuna. Daga game da 10th karni BC whaling a kan Whales kawai widened. Yau waɗannan dabbobi ne karkashin cikakken kariya, bisa ga latest data haifuwa yayi ne tabbatacce irin.

Duk jinsuna na Whales, da jerin wanda za ka iya gani a wannan labarin ne madalla da kuma musamman. Dauki, misali, da Dwarf Whale. Ya ake kira saboda su kananan size. mutane da yawanci ba su girma a tsawon fiye da 6 mita. Amma idan ba mu yi wannan siga a cikin account, sa'an nan sauran na dabba ne ba daban-daban daga cikin 'yan'uwansa.

miyagun Whales

The iyali na launin toka Whales ne daya daga cikin mafi zasu kare a wannan lokaci. Shi ne babban isa da wakilan 15 mita a tsawon, ba tare da wani dorsal filafilin kifi. A 18th karni na yawan ƙidaya game da dubu 30 mutane. A sakamakon haka, yawan aiki whaling m Whales zuwa shekarar 1947 an rage zuwa 250 mutane. Bayan haka, iyali na launin toka Whales ya kasance a karkashin m kariya, a yau waɗannan dabbobi, akwai game da 6000.

Ba a ma maganar rorqual iyali. Wadannan sun hada da humpback Whales da minke Whales ba. Kamar yadda waɗanda suke da sauran - miyagun Whale jinsunan. Idan a cikin 30s na wannan karni, a cikin Antarctic, akwai kimanin 250,000 filafilin kifi Whales, a yau wannan adadi ne sau biyar kasa. 100 000 blue Whales taba rayuwa a Antarctica a cikin shekaru 30 zuwa 1962 Mu tsira kawai 1 000-3 000 mutane. Aƙalla guda halin da ake ciki tare da sei Whales da humpbacks, wanda suke karkashin m tsare. The most wakilin taguwar Whales - blue. Ya - kadai jinsunan Whale da take kaiwa nomadic salon.

Toothed Whales:-daban da kuma kwatancin

Suborder na toothed Whales yana da babban yawan iyalansu. Su suna da ha ta gaban hakora, ko da yake da size da kuma yawan iya bambanta materially. Kusan dukkan mambobi da kananan jiki size. The kawai togiya ne maniyyi Whale. Hakika, Oceanic da dabbobin ruwa da kuma porpoises ne mafi shahara daga cikin suborder na toothed Whales. Wadannan su ne mafi yawa kananan dabbobi.

A mafi sauki hanya domin sanin ko bayyanar fari Whale. Wannan za a iya yi da launi na fata. Masu girma dabam ne kananan fari Whales, yawanci har zuwa 5 mita. Sun sami kusan ko'ina. Wani lokacin data Whales iyo a can, inda za su iya ba da rai. Ba shi yiwuwa ba a ware cikin tafin kafa wakilin HALITTAR narwhal - narwhal. Su ne da ɗan kama da fari Whale. Duk da haka, narwhals da 2-2.5-mita haure a kansa, cewa nasa ne kawai don maza. Kamar wancan ne da tsawon na dabba ne game da 5 mita.

Porpoises da dabbobin ruwa

A nan mun zo da subfamily dabbobin ruwa. Ya kamata a lura da cewa shi ne ya hada da babban yawan jinsunan da subspecies na fi. Kawai game da rabin na yau da aka sani Whales. Alal misali, wani talakawa ruwan kasa da dabbar dolfin porpoise ko kawai a tsawon yawanci ba fiye da mita 2. A baya na dabba shi ne baki, da kuma ciki ne kusan fararen. Dolphins ne ga mafi part fi son warmer ruwa da kuma temperate latitudes. Sau da yawa iyo nisa har da koguna. Ina mamaki da abin da musamman tseren porpoises zaune a tekun Black Sea.

Wadannan iri porpoises rayuwa a sassa daban daban na teku, da teku:

• California.

• tabarau.

• baki;

• bespernaya Black et al.

Bayyanar da duk wani nau'i na daban-daban da muhimmanci, kazalika da size. A general, dabbobi na ganima, ko da yake, amma sosai lumana. Nazarin ya nuna cewa wasu jinsunan Whales da dabbobin ruwa da sosai suka ci gaba kwakwalwa. Abin da ke sa dabbobin ruwa da gaske ban mamaki shi ne su ikon sadarwa - echolocation. Wannan irin harshe, mafi yawansu sautin da m da mutane a yau.

Rod maniyyi

Kamar yadda muka gani dan kadan mafi girma maniyyi Whales - su ne ainihin ƙattin na duk toothed Whales. A dabbobi iya isa a tsawon wajen 20 mita. Wannan gregarious Whale, wanda za a iya samu a duk teku na Duniya. A ware ne, mata ne da matasa Whales cewa yarda da su kasance a cikin dumi ruwa. Yau, shi ne ba da cikakken karatu jinsunan. A musamman, shi ne ba a sani ba ko maza dawo daga nesa na hijira. Masana kimiyya har yanzu ba su fitar da siffa me ya sa suka iyo ya zuwa yanzu, ko da yake mafi m ka'idar tafasa saukar da gaskiyar cewa suna neman abinci. A cikin sharuddan da maniyyi Whale kama kifi ne sosai m. Wannan ya zama musamman m, a cikin shekaru bayan yakin duniya na biyu. Kashe bakin tekun na Chile da kuma Peru, waɗannan dabbobi, musamman mata, aka kusan shafe, wadda tsanani barazanar da yawan jama'a. Ko a yau, a duk teku na duniya suna farauta da kare toothed Whales. Species da musamman muhimmancin ga mutum ba shi da.

ƙarshe

A nan, mun yi nazari a kan main iri Whales. Sunayen wadannan dabbobi da aka sanya ba su al'umma guda na duniya da kuma ba kawai a cikin 21st karni. Abin baƙin ciki, aiki kamun kifi ne ko da a yau. Yadda yawa jinsunan Whales zama a yau? Game da 40, da kuma duk da cewa akwai amfani da su zama a kan wani mutum ɗari. Yana da abu daya a lokacin da wannan tsari ne sarrafawa, da kuma quite wani lokacin da akwai uncontrolled yi garkuwa da halaka.

Hakika, za ka iya ba karshe magana game da abin da aka samar insulin da sauran hormones, da kuma hanta na Whale kwakwalwa kwakwalwa - Vitamin A. Bugu da kari, da naman da aka amfani da su yi tsada sausages. Amma duk wannan za a iya samu a cikin yanayi, ba tare da lalata daban-daban na Whales da kuma rage su yawan jama'a. To, shi ke nan za ka iya gaya mana game da Whales da su bambancin da jinsunan. Mafi yawansu ba su kasance m dabbobi da cewa ba safai ba kai farmaki a mutum.