Animal Narwhal: incazelo kanye nezithombe

Ngokushesha Ngingathanda ukuphendula umbuzo abafundi bethu ngobani Narwhal - isilwane noma inhlanzi. Lokhu esincelisayo esihlobene izilwane zasemanzini ezincelisayo. Lona monodontidae kuphela.

Animal bekha noma Unicorn aqueous uhlala e-Arctic Ocean, kuba esiseduze belukhas futhi kungokwalabo umndeni ka izilwane zasemanzini ezincelisayo ezincelisayo.

ukubukeka

Lena isilwane esikhulu kakhulu - Narwhal. Its isisindo (abesilisa) kufika ku-1.5 tonnes. Ubude omdala - 4.5 amamitha, kuze ngamamitha ayisithupha - ithole obuphelele. Isisindo Narwhal omdala ezingaphezu kwesigamu lamahwahwa. Izinsikazi kancane sleeker, isisindo sabo - khilogremu 900 kuphela.

Ngaphandle kakhulu efana Beluga Narwhal. Kodwa zihlukaniswa uphondo omkhulu. Ngokuvamile ubizwa ngokuthi izinyo lendlovu. Lokhu kumiswa obuphelele esikhulu enamandla 2-3 amamitha kanye isisindo 10 kg. Eyangaba bayakwazi bend bacondze etindzaweni letehlukene ngesikhathi esifanayo ngaphandle kokuphula.

Yini uphondo Narwhal

izinyo lendlovu umsebenzi akukaqondwa ngokugcwele. Nokho, ososayensi bathi namuhla ngokuqiniseka ukuthi akukhona eyenzelwe kudutshulwa uqweqwe ice noma kuhlaselwa isisulu.

Kwakuthinta ekuqaleni yamemezela version ukuthi isilwane isebenzisa uphondo yayo Narwhal ekuqomisaneni - ukuze akhange izinsikazi. Yayisekelwe kokuma. Iqiniso lokuthi nenkathi yokukhwelana ngempela lezi zilwane giant njalo nabo eyangaba yayo.

Ngo-2005, wathatha uhambo yesayensi, ukuze bagcine Narwhal ukuphila, wafinyelela esiphethweni sokuthi lesi imfundo kuyinto ebucayi kakhulu. Lapho eseyinsizwa efundela ezomthetho inombolo yayo enkulu kwalapho phezu yalo kutholakele.

Ososayensi baye babone waphinda indlela eyingqayizivele Narwhal (isilwane). Ukulinganisa izinga lokushisa kanye ukuvama amagagasi kagesi inzavula - inguqulo elandelayo endaweni yayo.

Hypersensitivity inzavula

Narwhal uphondo wayelihlonipha futhi ayengeve zenani emasikweni ahlukene - kungaba umhlobiso izigodlo zasebukhosini zobukhosi. ENgilandi, izinyo lendlovu Narwhal waba intonga wasebukhosini. Koroleva Elizaveta ngesikhathi inzavula zenyakatho likaGoliyathi ikhokhwe ekhulwini XVI, isamba kumnandi kulabo izikhathi - ayizinkulungwane 10 amakhilogremu. Ngale mali ungase ukwakha castle. Kuyini inqubo kuphawuleka kakhulu?

Narwhals kukhona ezimbalwa suborder we okuthiwa imikhomo toothed. Naphezu kwakho konke lokhu, empeleni - ekubeni nezisini. On the ephansi emhlathini amazinyo akuyona neze, futhi phezulu kukhona igciwane ezimbili kuphela. Ngo namazinyane azo kungaba namabhangqa ayisithupha engenhla namazinyo aphansi ambalwa, kodwa ngokushesha bawe, futhi esikhundleni izinyo kwesokunxele kwabesilisa ucala kutfutfukisa izinyo lendlovu, okuyinto ngesikhathi ukuvuthwa sesilwane ifinyelela 2-3 metres ubude, 7-10 cm ukushuba, nokuningi 10 isisindo kg. eyangaba Long ukuhlobisa abesilisa kuphela. Uphondo zesifazane iqonde futhi mfushane. Kakhulu akuvamile, kodwa kwenzeka ukuthi kokubili nabesifazane izinyo siguqulelwa eyangaba; kanye nabesilisa kwesokunxele Canine iba uphondo, kodwa lawa okuhlukile ezingavamile.

Tusk bekha at ubuso bayo has a struychatost Kuvunguza (isiqeda), okwandisa kakhulu amandla ayo. Lolu chungechunge kuba khona isikhathi eside: ngesikhathi ukuphokophela phambili inzavula wesilwane, zokunqoba ukumelana namandla ukuze amanzi, kancane uzungeza emhlabeni axis awo siqu. Ngenxa yalokho, udonga imbobo inqanyulwa Kuvunguza anemifantu kwakheka kwi ubuso bayo.

abesilisa kakhulu ezingavamile ne eyangaba ezimbili, okuyinto akhiwa emazinyweni ezimbili. Ngokwezibalo, lezi zilwane manje zitholakala eyodwa ku abadala 500.

Ngokumangalisayo, ngisho isilwane bekha namuhla, futhi ikakhulukazi uphondo yayo, kuhlale kuyimfihlakalo ukuthi ososayensi emhlabeni wonke. Yena ayiqondakali kahle.

Kuze kube manje, abacwaningi bakholelwa ukuthi lesi inzavula Narwhal ikuvumela ukuba uzizwe ushintsho lokushisa, ingcindezi, ukugxilisa ingqondo izinhlayiya imisiwe.

indlela yokuphila

Narwhal - isilwane (isithombe thina kuthunyelwe kulesi sihloko), okuyinto ebusika egxilile a 1.5 km ukujula. Lokhu kuyadingeka ukuze bazivikele amanzi abanda njengeqhwa abanga Arctic. Ngemva kwesikhathi esithile, waphindela antante phezulu ngoba umoya futhi uya ekujuleni. Emini, wenza-15 diving ezinjalo. Ngaphezu kwalokho, isivikelo yamakhaza ngesikhathi la manoni Narwhal. ngezinye izikhathi ungqimba wayo idlula 10 cm. Ngesikhathi sasehlobo lezi zilwane ngokuvamile zisendaweni ka-30 kuya ku-300 m ukujula.

ukudla

Animal Arctic - Narwhal - feeds ikakhulu cephalopods futhi izinhlanzi ezihlukahlukene phansi. Izitha main yalezi zilwane ezinamandla - imikhomo namabhere. Ngesikhathi oshaka abasha ngezinye izikhathi ukuhlasela.

umndeni

Animal Narwhal bangaphila eyedwa noma iqembu elincane, esakhiwa ku-10 kwabesilisa abadala noma nabesifazane ngenzalo.

Ngaphambili, lezi zidlakela ngikudalile nemihlambikazi emakhulwini amaningana, futhi ngezinye izikhathi izinkulungwane nezilwane. Namuhla kuqabukela kutholakale iqembu ezingaphezu kwekhulu amakhanda. Ngezinye izikhathi basuke elajoyinwa whale white.

Njengezinye izilwane zasemanzini ezincelisayo ngelusa lezi zilwane ukuxhumana nabanye ngamunye usebenzisa ngokukhala. Ngokuvamile kuba umsindo abukhali like amakhwela, ibubula, ukuchofoza, moo, gurgling squeaks.

ukukhiqizwa kabusha

Kokuzalela kwenzeka entwasahlobo. Ukukhulelwa ihlala izinyanga 14, umjikelezo ogcwele imifanekiso iminyaka 2-3. Ngokuvamile sizala eyodwa, ingasaphathwa amawundlu amabili. ukuvuthwa ngokobulili eminyakeni 7. Cases zokuzalanisa lezi izilwane basekuthunjweni abikwe.

Abahlengikazi zesifazane inkonyane ubisi fat kakhulu izinyanga 20.

Life in ekuthunjweni

Amanzi Unicorn libhekisela encane iqembu izilwane, okuyinto asikubekezeleli ekuthunjweni. Lokhu kufakazelwa yiqiniso obuqand 'ikhanda bokuthi izinyanga ezingaphezu kweziyisithupha ejele hhayi ezisekhona yanoma isiphi isilwane, ngenkathi imvelo baphila ngokuvumelana neminyaka engu-55. Inani eliqondile narwhals is hhayi kusungulwa, kodwa abambalwa, izinyoni ezingavamile, osuvele ezisohlwini Red Book of Russia.

Njengoba uyethemba ngokugcwele kungenziwa ngokuthi esinye sezimangaliso ye-Arctic, ematheni futhi eyingqayizivele ngezinhlobo zayo.

ukukhahlamezeka kwendawo

Sishilo kakade lezi zilwane ezinamandla uhlala e-climes nokhahlo enyakatho. ezivame kakhulu olwandle Arctic e-Arctic Ocean. Narwhals zingatholakala off Greenland, kanye izingxenye esenyakatho-Canadian Arctic Archipelago.

amaqembu amancane zibhaliswe enyakatho-mpumalanga ye-Franz Josef Land, ivelakancane - phakathi Kolyma futhi Cape Barrow. Lokhu kungenxa yokuntuleka okuphakelayo - kukhona cephalopods kancane. "North Pole" kubhaliswe narwhals iqembu enyakatho Wrangel Island. Zihlala emanzini abandayo emaphethelweni the iqhwa lase-Arctic, wenze yokufuduka yezinkathi ezithile zonyaka: ehlobo - kuya enyakatho, futhi ebusika - eningizimu.

amanzi Inyama unicorns udle izizwe enyakatho. Basebenzisa amafutha kwalezi zilwane njengendlela yokuhlonzwa uyisibani (ntambo). Amathumbu asetshenziselwa yokukhiqiza sezindophi, twines. Kodwa okuyigugu ngokukhethekile uphondo ziyimfihlakalo izinyo lendlovu. Kule izingcweti enyakatho wenza yezandla ahlukahlukene.

labantu

Animal Narwhal - zinhlobo malochislenny on the esengozini yokuqothulwa. NgeNkathi Ephakathi ngenxa uphondo yayo, okuyinto, ngokusho Labelaphi, has omlingo, lezi ezincelisayo libhujiswa ngo inqwaba.

Ngisho nanamuhla, izinyo lendlovu engavamile kungabangela ukubulala isilwane. Basuke ezingelwa Eskimo. Uma ukuzingela ezinsukwini ubudala esetshenziswa harpoons ngesandla, namuhla esetshenziswa motorboats namadivayisi okuzenzakalelayo ngokuba narwhals ukubulala.

Wonke umuntu isandla sakhe kule isilwane ezingavamile, udinga ukwazi ukuthi basuke izinkomba semvelo ophilayo, bazizwa kancane inkinga yokuguquka kwesimo sezulu, ebucayi ukungcoliswa kwemvelo.