Animal Narwhal: description da kuma hotuna

Nan da nan zan so in amsa tambaya mu masu karatu game da wanda narwhal - dabba ko kifi. Wannan dabba bace alaka cetaceans. Wannan shi ne kawai monodontidae.

Animal fizge ko ruwa-ruwa Unicorn kawaici a cikin Arctic Ocean, shi ne a kusa zumunta belukhas kuma nasa ne da iyali na cetaceans dabbobi masu shayarwa.

bayyanar

Wannan ne mai matukar manyan dabba - narwhal. Its nauyi (maza) har zuwa 1.5 ton. A tsawon fara tasawa - 4.5 mita, har zuwa shida mita - maraƙi tsawon. The nauyi na fara tasawa narwhal fiye da rabin na kitse. Mãtan suna da ɗan sleeker, da nauyi - kawai 900 kilo.

Azahiri sosai kama da narwhal beluga. Amma su suna bambanta da wata babbar Kakakin. Mafi sau da yawa shi ne ake kira da haure. Wannan manyan da karfi samuwar tsawon 2-3 mita da kuma wani nauyi na 10 kg. Giwa ne iya tanƙwara a daban-daban kwatance a lokaci guda ba tare da keta.

Abin da narwhal Kakakin

haure aiki ne har yanzu ba cikakken gane. Duk da haka, masana kimiyya ce a yau tare da yaƙĩni da cewa shi ne ba tsara don sokin da kankara ɓawon burodi ko hari a kan wanda aka azabtar.

Yana farko an sanar version cewa dabba yana amfani da ta Kakakin narwhal a courtship - domin jawo hankalin mace. Yana da aka dogara ne a kan lura. Gaskiyar cewa ma'abota kakar wadannan giant dabbobi da gaske ne kullum a lamba tare da giwa.

A shekarar 2005, wani kimiyya balaguro, su kiyaye rayuwar narwhal, ya zo ga ƙarshe cewa wannan ilimi shi ne musamman m. Lokacin da karatu ta babbar dama jijiya endings a kan surface daga gare an gano.

Masana kimiyya sun gani sake yadda na musamman narwhal (dabba). Da aunawa da yawan zafin jiki da kuma mita na electromagnetic taguwar ruwa haure - na gaba version of wurinta.

Hypersensitivity haure

Narwhal Kakakin girmamawa da kuma dearly mai daraja a daban-daban al'adu - shi zai iya zama mai ado na sarakunan da gadãje. A Ingila, da narwhal haure ya zama sandan sarauta. Koroleva Elizaveta a haure daga arewacin giant ta biya a cikin XVI karni, mai dama Naira Miliyan Xari ga waɗanda sau - 10 dubu fam. Tare da wannan kudi za ka iya gina wani castle. Mene ne haka na ƙwarai tsari?

Narwhals ne m da suborder na da ake kira toothed Whales. Duk da wannan, suka zahiri - kasancewa toothless. A cikin ƙananan muƙamuƙi hakora ba da kõme, kuma a saman akwai kawai biyu jam. A Pups iya zama shida nau'i-nau'i daga manya da ƙananan hakora kamar wata, amma sun sauri fada, kuma a wuri na bar hakori a cikin maza fara ci gaba haure, wanda a lokacin balaga da dabba kai 2-3 mita a tsawon, 7-10 cm a kauri, kuma mafi 10 kg nauyi. Long giwa ado kawai maza. The mace Kakakin mike kuma gajeru ba. Sosai da wuya, amma shi da ya faru da cewa duka biyu hakori mãtan suna canza kama zuwa giwa. kuma maza bar canine zama ƙaho, amma wadannan su ne rare ware.

Haure fizge a bãyan tẽkun yana da wani karkace struychatost (sabon), wanda ƙwarai qara da ƙarfi. Wannan zare ne akwai na dogon lokaci: a lokacin da gaba motsi na dabba ta haure, shawo kan karfi da juriya ga ruwa, sannu a hankali rotates a kusa da kansa axis. A sakamakon haka, da rami bango an yanke karkace GROOVES kafa a kan bãyan tẽkun.

Very rare maza da biyu giwa, wanda aka kafa daga biyu hakora. Bisa kididdigar da, wadannan dabbobi an same daya a kan 500 manya.

Abin mamaki, har ma da dabbobi fizge yau, kuma musamman ta ƙaho, zama wani asiri to masana kimiyya a duniya. Ya aka talauci gane.

Don kwanan wata, masu bincike yi imani da cewa narwhal haure ba ka damar jin da canji a cikin zafin jiki, matsa lamba, taro na dakatar da barbashi.

hanyar rayuwa

Narwhal - dabba (photo mu posted a cikin wannan labarin), wanda a cikin hunturu aka nutsa zuwa zurfin 1.5 km. Wannan shi ne zama dole su kare kansu daga garin kankara Arctic ruwa. Bayan wani lokaci, ya tashi zuwa surface ga iska da kuma sake da ke shiga cikin zurfin. A lokacin da rana, ya sa game da 15 wannan dives. Bugu da kari, a dogara da kariya daga sanyi a narwhal leɓe mai kumbura. Its Layer wani lokacin ya wuce 10 cm. A lokacin bazara wadannan dabbobi yawanci located a zurfin 30 zuwa 300 m.

abinci

Animal Arctic - narwhal - ciyarwa, yafi a kan cephalopods da kuma iri daban-daban kasa kifi. Babban makiyan wadannan m dabbobi - Whales da iyakacin duniya Bears. A matasa sharks wani lokacin kai farmaki.

iyali

Animal narwhal iya rayuwa shi kadai, ko a wani karamin rukuni, wanda ya ƙunshi har zuwa 10 adult maza ko mata tare da zurriyarsu.

A baya can, wadannan Refayawa, Mun halitta manyan garkunan shanu dubu daruruwan, da kuma wani lokacin dubban dabbobi. Yau ne rare samu wani rukuni na fiye da dari kawunansu. Wani lokaci su suna shiga ta fari Whale.

Kamar sauran cetaceans garke wadannan dabbobi sadarwa tare da juna ta amfani da vocalizations. Mafi sau da yawa shi ne mai kaifi sauti kamar shẽwa, shẽka, akafi, Moo, gurgling squeaks.

haifuwa

Ma'abota auku a cikin bazara. Gestation yana 14 months, cikakken haifuwa sake zagayowar ne 2-3 shekaru. Yawancin lokaci ya haifa daya, da yawa kasa biyu kwiyakwiyanta. Jima'i balaga to 7 shekaru. Lokuta da kiwon waddan nan dabbobi a zaman talala da aka ruwaito.

The mace da mãma, da maraƙi ne sosai mai madara watanni 20.

Rayuwa a bauta

Ruwa unicorn tana nufin wani kananan kungiyar na dabbobi, wanda ba jure zaman talala. Wannan ne evidenced da ba gardama cewa fiye da watanni shida a kurkuku ba tsira da wani dabba, yayin da a cikin yanayi da suka rayu har zuwa 55 shekaru. A daidai yawan narwhals ba kafa, amma su ne 'yan, m jinsunan, wanda aka riga aka jera a cikin Red Littãfi daga Rasha.

Tare da cikakkiyar amincewa za a iya kira daya daga cikin abubuwan al'ajabi na Arctic, da tafin kafa, kuma musamman a cikin irin.

mazauninsu

Mun riga mun ambata cewa wadannan m dabbobi rayuwa a cikin matsananci arewacin climes. Mafi na kowa a cikin Arctic tekuna a cikin Arctic Ocean. Narwhals za a iya samu kashe Greenland, kazalika a arewacin sassa na kasar Canada Arctic tarin tsiburai.

Kananan kungiyoyi suna rajista a arewa maso gabashin Franz Josef Land, shi ne sosai rare - tsakanin Kolyma da kuma Cape Barrow. Wannan shi ne saboda rashin abinci - akwai kananan cephalopods. "Arewa iyakacin duniya" rijista kungiyar narwhals arewa na Wrangel Island. Suna zaune a cikin sanyi ruwa a kusa da gefuna da Arctic kankara, yin yanayi na hijira: a lokacin rani - zuwa arewa, kuma a cikin hunturu - zuwa kudu.

Nama ruwa unicorns ci mutanen arewa. Su yi amfani da kitse daga wadannan dabbobi a matsayin wajen domin fitilar (lagwani). Hanjinsu ana amfani da masana'antu igiyoyi, twines. Amma musamman m ne m Kakakin ko haure. Daga wannan arewacin sana'a sanya daban-daban da sana'o'i.

yawan

Animal narwhal - malochislenny jinsunan a kan gab da nau'i nau'i. A tsakiyar zamanai saboda ta ƙaho, wadda bisa ga shamans, yana da ikon sihiri, wadannan dabbobi masu shayarwa hallaka a manyan yawa.

Ko a yau, wani sabon abu haure iya haifar da dabba kisan. Suna farauta Eskimos. Idan farauta a cikin tsohon kwana amfani da hannunka-aka gudanar harpoons, a yau amfani da motorboats kuma atomatik na'urorin ga kashe narwhals.

Duk wanda ya tada hannunsa zuwa wannan rare dabba, kana bukatar ka sani cewa suna rayuwa Manuniya na yanayin kasa, da suka ji wata 'yar alamar sauyin yanayi, m ga gurbacewar muhalli.