Kananan farin safarar jirgin ruwa "Belana" (Balaena Sunan Latin shine asalin halittar kifayen kifi. - kusan.) ya bar Halifax - babban birnin Nova Scotia a gabar gabashin Kanada, ya gangara gabas. Jirgin ruwan ya wuce shingen mayafin da ke kewayen tsibirin Sable (“makoki” - an gano daruruwan jiragen ruwa sun rasa rayukansu a wadancan lokutan), kuma suka ci gaba. Kimanin nisan mil 250 daga Halifax, tekun da ke bakin ruwa ya sauka sosai - anan akwai zurfin zurfi, kodayake karama ne a yankin (kusan mil mil 12 na fadilawa) Galli na teku mai bakin ciki. A wannan wuri akwai cokali mai yatsa a cikin babban ruwan teku, wanda ke haifar da yanayi don haɓaka haɓakar ƙwayoyin halittun ruwa daban-daban, wanda yawansu kuma suke jan hankalin mafarautan - kifi Whales A yankin Galli, zaka iya samun dozin iri na waɗannan dabbobin, amma mafi ban sha'awa da kuma babba sune ƙira da yawa. Abun lura da waɗannan 'yan cetaceans ba a yi karatu sosai ba shine burin balaguro na kimiyya dangane da jirgin ruwa.

Alamar kwalba

Kallon kifi Whales a yankin Galli ba aiki bane mai sauki. Wani lamuran toka mai ratsa jiki koyaushe yana rataye a nan, yana rufe saman teku tare da raƙuman ruwa suna zagaye da shi, tsayinsa wanda wani lokacin yakan kai 1.5-2 m Yana da kyau idan cikin makonni 3 ya fado aƙalla kwanaki biyu tare da yanayin tabbatacce da kwanciyar hankali, lokacin da kifayen kifayen saman ruwa za su iya gani daga nesa .

Masu bincike sun fahimci kasancewar ƙarancin ƙwallon farko ta hanyar sauti - sautsi na musamman ya fito ne daga hazo. Kuma sannan manyan kifayen huhun daga misalin 6 zuwa 10 m sun bayyana a gefen jirgin. Dabbobin ba suyi la'akari da jirgin ruwa ba, duk da haka, daga saukar da wutar lantarki ta zo da jerin dannawa akai-akai - kifayen kifi suna yin nazarin jirgin ruwa tare da sonar.

Bottlenose - wakilan dangin beaks. An bambanta su da ƙananan ƙyallen maƙasudin dangane da girman jikinsu, amma babban shugaban al'aura mai ban mamaki, wanda ke rataye akan babban dutse.

A gefen tekun Kanada, akwai wakilai na arewacin (ko, a Rasha, babban fuskoki) Hyperoodon ampullatus. Ana iya samun waɗannan kifayen a cikin Arewacin Atlantika, da kuma lokacin bazara - kuma a cikin yankuna kusa da Tekun Arctic. Cousinan uwan ​​mafi kusancin bottlean wasan na arewa shine ƙwararren ƙwararren kudancin (ko mai faɗi)Hyperoodon planifrons) aka rarrabawa, da bambanci, a cikin yanayi mai sanyi da ruwan sanyi na Hemisphere na kudu - a gefen iyakar Kudancin Australia, Kudancin Amurka, da kankara na Antarctica.

Matsakaicin tsayi na maza na arewacin ƙwallon ƙafa shine kusan 8.5, mace - 6.7 m Amma duk da haka, waɗannan dabbobin zasu iya kaiwa mita 9 a tsayi. Theaukar nauyin ƙaramin tsufa yakai ton 5 - kimanin tamanin yake da na giwar Afirka. Wadannan kifayen a zahiri basu da sakaci, banda guda ɗaya, ƙasa da kullun nau'i-nau'i biyu na haƙoran santimita biyar a ƙananan muƙamuƙin. Tlewallan kwalba suna ciyar da mafi yawan rayuwarsu daga bakin teku, a kan ruwa mai zurfi. Abinda suka fi so shine abincin farin ruwa, '' squid '', wanda kifaye suke farauta cikin zurfin teku. Kwalban kwalban kwalba suna da kyau iri-iri. Kamar yadda lura ya nuna, kusan kashi 15% na lokacinsu ne kawai a saman teku, sannan kuma, lokacin da suka huta kuma suka hura rai, sai su sake komawa cikin ruwa mai zurfi.

Kuna iya hango kifayen kifi da ruwa ya haɗu da wani marmaro mai sihiri. Ruwan tururi na fashewa da karfi daga budewar numfashi a kan dabbar.

Masu halartar jirgin sun riga sun shirya tare da binocular, kyamarori, siffofin don rakodin lura. Masu ɗaukar kwalaben kwalba a saman teku ba sa iyo ruwa da sauri, saboda haka masu binciken kusan koyaushe suna kiyaye su ne da nesa kusa da nesa.

Lokacin da yanayi ya ƙyale, masana kimiyya sun ɗauki hoto na kare mai ƙwanƙwasa da shugaban kowace dabba sannan sun yi ƙoƙarin gano abubuwan da za su gane kowane kifi Whale "a fuskar." Haƙiƙa, da wuya a sami ɗan ƙaramin ɗayan matakai biyu. Koyaya, daga baya, ɗaya daga cikin mahalarta binciken ya lura: "Yawancin dabbobin da muka koya don ganewa ta hanyar bayyanar, amma ta halayyar da yanayin dangantakar zamantakewa."

Movementsunshin tlewallon kwalba suna tare da grunts, whistles da sauran sautin kararrawa. Bugu da kari, kifi babban kifi mai yin iyo sau da yawa yakan sanya wutsiyar wutsiyar tasa kuma ya mare shi a cikin ruwa. Wataƙila wannan ma ɗayan hanyoyin sadarwa ne - wasu nau'ikan siginar da aka ba wasu mambobi na fakitin.

A farfajiya, tsayuwar katako ana gudanar da ita koda yaushe cikin matsanancin rukuni da rawar hannu tare. A wata rana da ba a san yanayi ba da gizagizai mara nauyi da kuma gilashi mai kyau kamar teku, masu binciken sun sami nasarar lura da yadda manyan kifaye biyu suka fado daga zurfin duhu har ma suka gushe. Koda yake, masana kimiyya sun nuna cewa ba a bayyana kungiyar jin dadin wadannan kifayen whales ba. A yau, kullun kwalba a cikin kamfani guda ɗaya, kuma a cikin wata guda zasu ɗauki sabbin abokai.

Manunin furanni na farauto lokacin da ƙananan kungiyoyi (kusan biyar shugaban kowace) suka fara zama tare. Mafi yawan abin lura a cikin wadannan rukunin maza manya ne.

Ciki a cikin kwalaben kwalban arewa yana kasancewa daga watanni 12 zuwa 15 kuma bikin murnar - haihuwar san mama - yana faruwa a lokacin bazara ko lokacin bazara. Tsawon jikin jariri kusan 1/3 na tsawon jikin mahaifiyar.

Wadannan kifayen whales sun girma har kusan shekara 20 da haihuwa. Rikodin tsawon ƙwayar Bottlenose - 37 shekara. Balagagge yakan faru ne da kimanin shekara 7, mace yawanci sukan fara kiwo ne shekara guda bayan haihuwar data gabata.

Masu bincike daga jirgin ruwan Belen sun dauki samfurin fata daga kwalbar don gudanar da bincike na DNA da gano yadda wakilan nau'in jinsin na arewa suka bambanta da danginsu na kudu.

Bayanin babbar ƙwallon katako mai nauyi

Nousoshin tall-bills sun kasance manyan cetaceans, tsawon jikin mutum na iya kaiwa tsawan mita 9, kuma nauyinsa yakai tan 7. Shugaban yana karami kuma goshi yayi babba.

Tare da shekaru, goshi yana ƙaruwa sosai harma yana iya haɓaka cikin tsofaffin mutane. A wuya ne gajere, yana da kusan imperceptible. A mucks ƙare tare da dogon baki.

A cikin kirji, jikin yana fadada, kuma kusa da wutsiya sai ya zama ya zama da hankali. Fin na baya yana da kamannin jinjirin wata, kuma ƙashin wuyan wucin gadi yana da fadi. Fin caudal ba shi da girma, amma a lokaci guda mai ƙarfi da tsufa.

Tall-bastin karama (Hyperoodon ampullatus).

Launin jikin yana da launin toka mai duhu, akan ciki ta ɗan sami haske. A cikin manya manya manya, fararen digo suna bayyana a jiki, galibi suna kasancewa akan ciki, gewaye, wuya da goshi. Alamar akan jikin na iya faruwa saboda cututtukan fata da dama.

Yawancin dabino na ganye mai ganye

Gida Bottlenose suna zaune a Tekun Atlantika ta Arewa. Ana samunsu a cikin tekun Barents, Rum da Greenland. Wani lokaci suna iyo a cikin Baltic da White Sea.

Bottlenose yi ƙaura a kaka da bazara, amma ba a kafa lokacin irin waɗannan tafiye-tafiye daidai ba. Tabar wiwi mai ƙarfi a wuraren da ke cike da dumama Atlanta.

Wadannan ƙananan kifayen sun fi son ruwa mai zurfi, kuma cikin ruwa mara zurfin kusan ba a taɓa samun su ba.

Wutsiyar ƙaramin roba tana da ƙarfi da ƙarfi, ta amfani da ita, dabba tana tsalle daga ruwa.

Yankin Whale na arewa a kan tashar jirgin ruwa mai kama da kankara

Girma a ƙarshen karni na XIX. Farashin danyen Whale da aka yi amfani dashi don dalilai na fasaha ya haifar da gaskiyar cewa kifayen kalilan suna da sha'awar ƙara ƙwal, wanda kafin hakan ana ganin ganima wanda bai cancanci kulawa ba. Wannan sanannen son da ake da shi a cikin waɗannan al'ummomin ya sa sun yi iyo zuwa kotuna da kansu, kuma ƙin yarda da barin ƙungiyar abokan da suka ji rauni sun taimaka sosai ga aikin mafarautan. Sakamakon haka, a cikin tsawon lokacin daga 1920 kadai, mutane fiye da ganga 60,000 sun mai da ganima mai. Waɗannan kifayen an adana su ta hanyar raguwar hauhawar farashin mai, wanda ya sa amfani da ƙitsen dabbobi a cikin dabara ba shi da riba. Gaskiya ne, karar kwalisa na ci gaba da farautar dan wani lokaci saboda naman su, wanda yawancin kamfanonin abincin dabbobi na Ingila ne suka siya. Koyaya, a farkon shekarun 70. XX karni kasuwancin kasuwancin waɗannan dabbobin ya kusan ƙarewa.

Ba a san adadin adadin gilasan yanzu da ke zaune a Arewacin Atlantika, amma masana kimiyya sun nuna cewa ba a gaza sama da 130,000 daga cikinsu ba.Zasu ƙididdigar waɗannan kifayen a yankin Galli da mutane 200-300.

Thearfin ƙwayar kwallan na narkewa sosai kuma ya kasance a cikin ruwa na dogon lokaci sanannu na dogon lokaci. Whalers ya ce wani bututun kwalba, rami, ya rasa igiya mai nauyin 500 (kusan kilomita 1) cikin kankanin lokaci. Bottleaya daga cikin ƙananan ƙwaƙwalwar koda ma yana zaton ya kai zurfin ƙafa 6,000 - kilomita 1.8! Whalers ya kuma ce dabbobin da suka ji rauni na iya kasancewa cikin ruwa na awa daya ko fiye. Wasu bayanai game da karfin wadannan kifayen wudule don su nutse zuwa zurfin ruwa da zama a wurin na wani dogon lokaci wanda masana kimiyya suka samu. Wakilan balaguron na Belén sun kafa wa kansu aikin dubawa da bayyana wannan bayani ta amfani da kayan aiki na zamani.

Don yin wannan, masu binciken sunyi amfani da na'ura mai ƙoshin gaske, wanda yake mai baka da ƙaramin harbo tare da kofin tsotsa da mai watsa rediyo a haɗe, suna yin rikodin lokacin nutsewa da zurfin ya kai. Ruwa ya juya ya zama mai rikodin rikicewa, a lokacin da ruwan kwalbar ya kasance ƙarƙashin ruwa na 1 a 10 min, yana isa zurfin mil na 1, i.e. 1850 m Sauran ruwa na kifi whales kuma sun bambanta cikin zurfin zurfin da tsawon lokaci.

Don haka ana iya kiranta ƙwallo mafi zurfi a tsakanin dabbobi masu shayarwa har zuwa yau. Bayanan su sun fi ƙarfin aikin irin waɗannan zakarun zakarun a wannan fanni kamar su maniyyi whales da kuma giant ɗin - giwayen giwa.

An gama aikin, tafiyar ta dawo. Murmushin masu binciken daga sadarwa tare da halittun teku masu ban mamaki sun mamaye ganin irin babban dandamalin rijiyoyin da aka girka a tsibirin Sable. Gas mai ƙonewa ya fashe daga bututun sa kamar harshen wuta daga bakin macijin. Yawan irin wannan dandamali, da rashin alheri, na iya ƙaruwa - an samo sassan shida a gefen shiryayye kusa da Galli Basin inda gas na ƙasa ya kasance ƙarƙashin tekun. Koyaya, a Kanada, ana maganar batun Bayyana Gully reshen ruwan teku.

Lifestylearancin kwallan Bottlenose

Waɗannan dabbobi masu shayarwa masu shayarwa suna iyo a cikin ƙananan rukuni na kusan mutane 15. Groungiyoyi na iya haɗawa da maza kaɗai ko kuma a gauraya. A lokacin kiwo, ana samun hatsi, wanda ya ƙunshi mata da yawa, waɗanda namiji ne ke da cikakkiyar masaniya kuma maza ne ke jagorarsu.

Mutane suna tattaunawa da juna sosai, suna yin sautuna dabam-dabam: whisting, niƙa, nika da makamantansu. Bugu da kari, kifayen kifayen ruwa sau da yawa suna dauke ƙashin wutsiyarsu kuma suna buga su cikin ruwa, wanda kuma zai iya zama alama ga sauran mutane. A wuraren da ake wadataccen abinci, kusan daruruwan mutane zasu iya taruwa. An yi imani cewa ƙaurawar ƙwallon ƙwallo tana da alaƙa da motsi na cephalopods, waɗanda ke ciyar da waɗannan tsarikan.

Alama akan jikin ƙwallan kwalba mai girman gaske na iya faruwa saboda cututtukan fata da dama.

Sake bugun bottlean ƙaramin kwalba

Karatun Bottlenose yayi ƙasa. Lokacin haila kusan shekara guda ne, wataƙila daga watanni 12 zuwa 15. Bayan wannan lokacin, mace ta haifi ɗa daya kawai. Rashin haihuwa yana faruwa ne a lokacin bazara.

Tsawon jariri yakai mita 3. Iya tana ciyar da jariri madara. Lokacin da yake shekara uku, sai ɗan ya girma zuwa girman gwal na ƙaramin yaro. Pwallan ƙwayar ƙwayar cuta na faruwa a shekaru 5-6. Babu takamaiman bayanai.

Yawan gilashi mai ruwan sama

Ba a ɗan yi nazarin wannan nau'in ba, don haka ba a kafa ƙididdigar yawan jama'ar ba. A tsakiyar karni na 20, karairayi yana da matukar mahimmanci a fannin tattalin arziki, an yi fashin bakinsu sosai. Yawan adadin karauka ne suka kama Norway, Kanada, Sweden da Indiya. A wannan lokacin, yawan ƙananan ganyen ganye ya ragu sosai.

Kasusuwa na babbar ƙwararren ƙwayar cuta.

Wadannan 'yan cetaceans da wuya su yi iyo a gabar tekun, suna fifita zurfin zurfafa. Amma wani lokacin mutane dayawa ko wasu gungun maɓoɓin ƙaramin rago suna gab da gaci, yayin da ake jefa su ƙasa kuma bushe. Abubuwan da suka haifar da wannan ɗabi'a ba su da cikakkiyar ma'amala, amma saboda wannan adadin yana raguwa. An yi imanin cewa dalilin jefa bakin tekun na iya zama asarar daidaituwa a sararin samaniya, wanda ya faru ne saboda gurbatarwar teku. Hakanan zasu iya iyo a cikin wuraren shakatawa. A shekara ta 2006, wani kifayen da ke cikin ruwa ya malalo cikin kogin Thames, an dauki matakan tseratar da shi, amma, duk da kokarin da aka yi, kwayar ta mutu.

Akwai bayanai kaɗan game da cututtukan ƙwayar cuta, an gano yawancin lambobin cutar dermatomycosis, ƙari, sun sha wahala daga nau'ikan fata da cututtukan ciki.

A yanzu haka, an kusan dakatar da kamun kifi a jikin kifi, tunda yawan jinsunan sun ragu sosai.

Kariyar Bottlenose

Tall-bast na karama wakilai ne na Red Book. Amma tunda ba'a tantance ainihin adadin waɗannan dabbobi masu shayarwa ba, babu wata shaida game da buƙatar kariya. A wannan batun, ba a aiwatar da matakai na musamman da shirye-shirye don kare ƙarancin kwalba. Abun lura da karayar lamura abu ne mai fasali a cikin yanayi, don haka ayi cikakken nazarin wadannan dabbobi da tabbatar da adadinsu ya zama dole.

Idan kun sami kuskure, da fatan za selecti yanki na rubutu kuma latsa Ctrl + Shigar.

Habitat Kwallan Kaya

Yankin da aka raba shi da ƙaramin sashi mai ƙarfi shi ne yanki na arewacin Tekun Atlantika. Ana iya samunsa a cikin Greenland, Barents da tekun Bahar Rum. A lokaci-lokaci na yin iyo a cikin Teku Fari da Baltic.

Hijira yana faruwa a lokacin bazara da kaka, amma ba a ayyana lokacin daidai ba. Yana ciyar da hunturu a cikin ɗumbin zafi na Atlanta. Yana manne da yankuna masu zurfin ruwa, kusan ba ya iyo cikin ruwa mai zurfi.

Bottlean ƙaramin ƙwayar tall-dabbobi sune dabbobi masu garken dabbobi kuma yawanci suna iyo cikin ƙananan rukuni na mutane 10-15. Akwai rukuni na abubuwan gauraye da suka hada da maza kawai. A cikin bazara, a lokacin kiwo, ana samun rukunin masu haihuwar, wanda ya ƙunshi babban mutum mai ƙarfi maza da mata da yawa.

Wadannan alƙaluman sun sami damar iya kasancewa a ƙarƙashin ruwa na dogon lokaci (kusan awa ɗaya), bayan haka sun share tsawon lokaci a saman ruwa suna hutawa. Suna tattaunawa sosai da juna ta amfani da sauti iri iri: grunts, whistles, grunts, etc.

Don abinci, ƙwallan kwallan na iya nutse har zuwa zurfin zurfin da ya dace. Mafi yawan 'ya'yan itace mara abinci wadanda suke cin abincin su. Amma kuma suna iya cin ƙananan kifayen, kifin kifi, da sauransu. A wuraren da abinci yake tarawa, ana iya tara tara karama . Akwai zaton cewa ƙaura daga cikinsu tana da alaƙa da motsi na cephalopods, waɗanda sune manyan abincin waɗannan cetacewan.

Yawan mutane masu girman zuciya

Dabbobin suna karancin karatu, sabili da haka ba a san ainihin adadin kuzarinn da ke cike da ganye ba. A tsakiyar karni na 20 suna da mahimmancin tattalin arziki. An aiwatar da kamun kifi don waɗannan dabbobin, musamman ƙasashe kamar su Norway, Iceland, Sweden da Kanada sun bambanta kansu a wannan. A halin yanzu, hakar waɗannan dabbobin an kusan dakatar da ita saboda raguwa sosai a cikin lambobin su.

Bottlenose yi ƙoƙarin kada yin iyo a kan iyakar gabar teku, da fifita yin iyo a manyan zurfafan ruwa. Amma akwai wasu lokuta idan ƙananan kayan, ke kadai ko a ƙaramin rukuni, suka kusanci gaɓar tekun, ana jefa su akan su kuma bushe.Ba a san dalilan wannan ba, amma wannan shine ɗayan manyan abubuwan da ke iyakance yawansu. Ana tsammanin wannan yana haifar da asarar daidaituwa a sararin samaniya saboda gurɓataccen amo na tekun.

Potentialancin ƙarancin ƙarancin ƙwayar cuta ya zama ƙarancin ciki: mahaifar macen tana ɗaukar kimanin shekara guda (a cikin watanni 12-15), bayan wannan ɗa guda ɗaya ne kawai aka haife. An haife jarirai a cikin bazara, tsawon mil uku. Suna ciyar da madara tsawon watanni shida. Lokacin da ya cika shekaru uku, 'ya' yansu sun girma zuwa girman manya. An kiyasta shekarun balaga shine shekaru 5-6.

Ba a san ainihin lokacin rayuwar ba.

An shigar da shi a cikin littafin Aljihu

Tallan ƙaramin ƙaraɗɗen ƙarama baƙo ne da ba kasafai baƙi a cikin ruwayen Rasha, don haka bai taɓa kasancewa da mahimmanci ta kasuwanci ba, sabanin ƙasashen arewacin, inda farautar kifi Whale ya bunƙasa tun zamanin da. A cikin ƙarni biyu da suka gabata, manyan matatun ruwa da ke tsibiran Ingilishi da na Ingilishi sun girbe katun da yawa, lamarin da ya haifar da raguwar adadin ta. A shekara ta 1973, Norway ta gabatar da dokar hana farauta. Koyaya, duk da ƙara yawan adadin nau'in halitta (a yau adadin ƙwallon ƙafa ya fi 10,000), barazanar da kasancewar ta har yanzu tana nan. Da farko dai, canjin yanayin duniya da kuma gurbata yanayin teku suna da sakamako mara kyau.

Ina yake zama

A Rasha, ana samun ƙara mai ƙarfi a kowane lokaci a cikin wurare masu zurfi a cikin Barents, White da Baltic Teas.

Akasari yana zaune ne a cikin ruwan Tekun Atlantika, wanda yake bakin tekun Arewacin Amurka da Turai. A cikin yankuna na arewacin, ƙwallon katako yakan bayyana ne a tsakanin kankara kusa da Greenland da Iceland, a kudu kuma ya kai Tekun Bahar Rum da kuma Tekun New York. A lokacin bazara, ana yawan ganin sa a cikin Tekun Yaren Norway.

Menene kamarsa

Idan aka kwatanta da sauran wakilan 'yan cetaceans, ƙaramin siraran katako mai ƙanƙane ƙarami ne, amma har yanzu babban dabbobi masu shayarwa. Tsawon da namiji girma ne 8-10 m, da tsawon mace ne kamar 1 m kasa.

Gwargwadon ya kai kimanin tan miliyan 5-7. Jikin whale yana da girma, yana da ƙananan ƙoshin kumburi, girman da yake babba a cikin maza fiye da na mace. Dorsal fin ya koma wutsiya. A bayansa akwai rakumi mai fasalin ciki wanda ruwa mai zagaye ya fashe tare da auduga. Yayin da kake girma, launin fata na shayarwa yana canzawa: a cikin jarirai, duhu ne mai duhu, a cikin mutanen da suka manyanta sun yi launin toka, a cikin tsoffin yana da haske launin rawaya. Abun yayi sauki sosai fiye da sauran jikin.

Tare da shekaru, fararen tabo suna fitowa a kan ƙusoshin da gangar jikin, su ne sakamakon mahimmancin aikin naman gwari. Wani fasali ne na tsarin kwalbar shine tsarin sifofin shugaban. Ya ƙare da zafin nama, wanda saman goshi ya tashi kusan a tsaye. Tare da shekaru, zai iya jingina gaba kadan.

Rayuwa da Ilimin halitta

Kowace bazara, ƙaramin ganye mai ƙaura na ƙaura zuwa arewa, kuma a lokacin bazara yakan dawo zuwa ɓangarorin da ke da ɗumi a Tekun Atlantika, inda ake mamaye shi. Yana kusan zuwa bakin tekun da wuya, yakan kwashe mafi yawan lokaci a cikin teku a zurfin 500-1000. Yana tashi zuwa ƙasa kawai don sake samarwa da iskar oxygen. Abubuwan da ya fi so mazauna sune gorges na zurfin teku. Highbrow bottlenose zaune a cikin kananan garken kunshi 4-25 mutane, wanda ya hada dabbobi daban-daban jima'i da shekaru. A shugaban kungiyar babban maza ne na masu jima'i. Youngan samari da ba su kai ga balaga ba, a matsayin mai mulkin, ku ware. Yawancin lokaci, yakan faru a cikin kifi a shekaru 8-12 years, lokacin da tsawon jikin mace yake 6 m, kuma na maza fiye da 7. M lokacin haihuwar yana da ɗan lokaci sama da shekara guda. Lokacin haihuwa, cubawon suna da tsawon mil 3 kuma suna ciyar da madara uwa tsawon watanni 6. Abincin da ke jikin kwalbar ya kunshi squids, wanda yake ci da yawa, lokaci-lokaci yana juyawa zuwa ƙananan kifin, kifin kifin kifin, da kifin teku, ko holothurians.

Yana da ban sha'awa

Cikakken kwalaben karafa - rakodin tsakanin dabbobi masu shayarwa don ruwa mai zurfi. Don haka, ɗayan wakilan wannan nau'in an gan shi a zurfin na 1453 a ƙarƙashin ruwa, suna iya zama sama da awa ɗaya. Ba kamar sauran nau'in babban kifayen kifayen ba, masu ɗaukar ƙwallan kwalba suna da nau'i biyu na hakora, waɗanda ke akan ɗan nesa nesa da juna, kuma a yawancin mutane na biyu ba sa yankewa. A watan Satumbar 2006, mazauna Landan sun lura da wani sabon abu mai ban mamaki: wani ƙaramin kwalban kwalba mai zurfin mita 5 daga saman Thames. Wataƙila kifayen ya ɓace kuma ya faɗi cikin ruwa mai ƙwanƙwasa, yana gudu da ganga Kashegari, dabbar ta mutu. A yau, kashin wannan ɓarna mai ɓarna yana cikin Gidan Tarihin Halittar Tarihi a Landan.

Rarrabawa

Mulkin: dabbobi (Animalia).
Nau'i: chordates (Chordata).
Fasali: dabbobi masu shayarwa (Mammalia).
Squad: cetaceans (Cetacea).
Iyali: beaks (Ziphiidae).
Jinsi: kararrawa (Hyperoodon).
Duba: manya-manyan fararen kararrawa (Hyperoodon ampullatus).

Babban garkuwar hanci

Takaddun ƙarara mai ƙarfi yana kan jerin dabbobi masu shayarwa daga Littafin Tarihi na Duniya. Saboda gaskiyar cewa ba a bayyana takamaiman adadin wannan dabbar ba kuma babu takamaiman bayanai game da buƙatar kariyar ta, babu wasu matakan musamman ko shirye-shiryen kiyayewa. Abun Lura da Bincike karama Hakanan abubuwa ne masu fasali maimakon na tsari.

Squad: Cetaceans - Cetacea

Iyali: Beaks - Ziphiidae Jinsi: Hyperoodon

Yaɗa: Tall-billed bottlenose - shuka endemic. rabin ruwan atlantic. Yana zaune akan app. - daga inji mai kwakwalwa. Tsibirin Rhode da Zauren New York. zuwa Dandalin Hudson., Davis Strait, kudu. sassa na Greenland da Iceland, zuwa gabas. - Daga Tsibirin Cape Verde, Tekun Bahar Rum zuwa Svalbard, Novaya Zemlya da Bahar Rum. A lokacin rani, ya zama ruwan dare gama a Tekun Yaren mutanen Norway, kusa da tsibirin Jan Mayen da kuma cikin ruwan yamma. Svalbard, mafi ƙaranci a cikin Tekun Arewa kuma mafi wuya a gabas. sassa na Barents, Fari da zurfi na Tekun Baltic. Sunsets akan shuka. iyakance ta kewayon 2-8 ° C. Ana amfani da hunturu a cikin yanayin Tekun Atlantika, a kudu. sassa na kewayon, a cikin Bahar Rum, wani lokacin a cikin Baltic.

Habitat: Saboda yanayin ciyarwa (teutophagy), ƙaramar kwalba tana manne wa wuraren ruwa mai zurfi kuma baya son ruwa mai zurfi. Babban abincin shine shine cephalopods, abincin sakandare shine kifi, abincin da ba a san shi ba shine holothurians da starfish. Hanyarsa ta zuwa gaɓar teku yana iyakance ga yanki mai kyau na matakin ƙasa. Duk da alaƙar da suke da ita ga yankin pelagic, kodayake a wasu lokutan ma kan kusanci bakin tekun shi kaɗai ko a cikin rukuni sai a bushe. Potentialarancin kiwo yana da ƙasa kaɗan. Balaga na jima'i a cikin maza yana faruwa ne tare da tsawon jikin mutum yakai 7.3 m, a cikin mace - 6 m, yana da shekaru 5-6, lokacin da aka kafa yadudduka dentin 9-11 a cikin hakora. Haihuwa kusan ko kadan bayan shekara daya, lokacin lactation shine watanni 5-7. Matsakaicin mata masu juna biyu da masu shayarwa shine 11:13, wanda ke nuna sake zagayowar jima'i na shekaru 2.