Dangane da tsarin halittar dabbobi, walruses suna cikin dangin walrus kuma ga tsarin pinnipeds. Wannan shine, suna da fiɗa a ƙafafu maimakon kafafu. M dangi na kusa da walruses sun kasance kashin kawuna, wanda suke kama da kamannin su. Na dogon lokaci, ana ganin dukkan abubuwan pinni guda ɗaya ne, amma bisa ga ka'idojin zamani, ɗayan hatimi ne kawai ke da alaƙa da walruses, hatimi na ainihi na cikin layin daban ne.

Bidiyo: Walrus

A zahiri, duka wadannan halittu da sauran dabbobin sun fito ne daga magabata daban-daban, kuma yanayin jiki da wata gabar suna bayanin yanayin rayuwa iri daya. Layi da hatimai da siran walƙiya ke ruɗuwa kusan shekaru miliyan 28 da suka gabata. Walruses kansu a cikin yanayin su na zamani sun kafa kimanin shekaru miliyan 5-8 da suka gabata kuma suka rayu a yankin Pacific. Sun zauna a cikin ruwan Arctic kusan shekara miliyan 1.

Uku dabam dabam na walrus tare da layin rubutu marasa ma'amala, da ƙananan bambance-bambancen yanayi, an rarrabe su:

• Walrus Pacific,
• Harshen Wanka,
• Laptev walrus.

Kodayake, bisa ga sakamakon bincike na DNA da kuma nazarin bayanan ƙwayar cuta, masana kimiyya sun fara yarda cewa ya kamata mu ƙi yin la'akari da ragin Laptev walrus a matsayin mai zaman kanta. Duk da bambancin kewayon waɗannan walruses, ana iya la'akari da matsanancin ƙetaren yawan ƙasashen yamma na ƙasashen yamma.

Bayyanar fasali da fasali

Hoto: Dabbobin Walrus

Jikin walrus nada matukar girma da kuma girma sosai. Tsawon mutum ya kai darajar mil 4 zuwa 5, kuma nauyin jikin mutum zai iya kaiwa tan miliyan ɗaya da rabi. Mata sun kasance ƙanana. Gashin kansa na walrus ba karamin abu bane idan aka kwatanta shi da jikin sa, saboda haka ga alama ya zama karamin wuyan wuyansa ne.

Takalmin dabbar yana zaune da kauri mai kauri da kauri, mai kauri mai kauri, kauri wanda zai iya kaiwa 1 ko 2 mm da tsayin 15 zuwa 20 cm. Vibrissae a fuskar dabba yayi kama da buroshi a kamannin su. Walrus yana amfani da su lokacin neman mollusks na cikin ruwa da lokacin tafiya cikin ƙasa, tunda babu isasshen haske a manyan zurfafa ƙarƙashin kankara, hangen nesa ya fara taka rawa.

Walruses suna da firamine na sama, waɗanda ke da haɓaka, masu dorewa sosai kuma an miƙe su sama da muƙamuƙi. Ana kiransu daskararru. Sun yi ta tonon ƙasa, suna ƙoƙarin tono mollus ɗin da ke ɓoye a cikin yashi da sauran dabbobi. Lokacin motsawa akan kankara, walrus zai iya amfani da daskararru azaman kayan taimako don taimakawa. Amma dole ne mu sa a zuciya cewa wannan ba babban dalilin su bane. Wasu lokuta tusar ta lalace, kuma walwala tana asarar su. Musamman sau da yawa wannan yana faruwa a cikin zaman talala, saboda matsanancin matattarar filaye a cikin aviaries.

Gaskiya mai ban sha'awa: faleks na iya isa mita a tsayi, kuma yayi nauyi zuwa 5 kilogiram. Sau da yawa ana amfani da daskararru don yin faɗa, saboda haka namiji wanda ke da ƙarin goge-goge ya fi rinjaye.

Fata mai laushi sosai na dabba an rufe shi da gajeren gashi kusa da launin shuɗi-launin ruwan kasa. Amma tare da shekaru, gashin kan jikin ya zama karami, kuma a cikin tsoffin walruses fatar jiki kusan kusan tsirara ne. Fatar kanta kanta launin ruwan kasa duhu a launi.

Limarshen walrus, kamar sauran pinnipeds, flippers. Amma sun fi dacewa da motsi a ƙasa, sabanin like. Sabili da haka, walruses na iya tafiya akan ƙasa maimakon rarrafe kamar sauran pinnipeds. Soles ana kiransu. A kan ƙasa, walruses sun kasance cikakke, suna motsawa tare da wahala. Amma suna da kyau masu iyo sosai kuma suna jin kyauta cikin ruwa.

Ina walrus yake zaune?

Hoto: Tekun Walrus

Walruses suna zaune kewaye da gabar Tekun Arctic a kusa da lean Tsaron Arewa. Yankin su na karkataccen abu ne. Kuna iya saduwa da dabbobi a kan iyakar arewacin Turai, Asiya, da kuma a cikin gabar teku na Arewacin Amurka da tsibirin Arctic da yawa. Amma ba kamar sarkoki ba, walruses suna guje wa duka hanyoyin bude ruwa da shirya kankara, don haka suna ƙoƙarin kasancewa kusa da bakin tekun.

Gabaɗaya, walruses sun fi so su zauna inda zurfin zuwa ƙasa ba su wuce mita ɗari ba. Tunda yawancin abincinsu ya kunshi rayayyun halittu masu rai, mara ƙarancin abin da za ku nutse kuma ku ciyar da makamashi, ya fi sauƙi ga dabbobi. Amma a lokaci guda, kusan kowane walrus yana iya nutse zuwa zurfin har zuwa mita 150-200.

Gaskiya mai ban sha'awa: walruses na iya rage yawan zuciyarsu yayin nutsewa. Babban kashin kitse mai ƙyalli, wanda yake ingantaccen isasshen zafi, yana taimaka musu jure yanayin ƙarancin ruwa.

Dabbobin suna da ƙaura yanayi na lokaci, amma sun takaice. A cikin hunturu, yawan walrus yana motsawa zuwa kudu, amma kilomita 100-200 kawai. Ga irin waɗannan manyan dabbobi, wannan kadan ne.

Adadin walwala mafi yawa yana rayuwa ne a gabar Chukchi, a bankunan biyu na Bering Strait, kuma dauloli da yawa suma suna zaune a yankin Labrador Peninsula. Walarancin walruses ana samun su a cikin yammacin da tsakiyar ɓangaren tekun Eurasia. A kusancin Greenland da Svalbard, wakilan mambobin ƙasashen Atlantika suna zaune.

Hakanan ana samun waɗannan walruses a yammacin ɓangaren Arctic na Rasha. An raba yankin Laptev walrus cikin yankin tsakiyar da kuma yammacin yankin Tekun Laptev. Wannan tallafin shine mafi ƙanƙanta.

Me walrus yake ci?

Hoto: walrus na Atlantika

Mafi yawan abincin ramuka na walrus bivalves ne da sauran hanyoyin iska, wanda aka girbe a zurfin mita 50-80.

Hakanan abinci zai iya bautar:

• Wasu nau'ikan lobsters
• Shrimp
• Tsutsotsi na Pochachaete.

Commonlyarancin yau da kullun, walruses suna cin octopuses da holothurians. A cikin matsanancin yanayi, ana ciyar da wasu nau'in kifaye, kodayake galibi ba sa kula da kifi. Walruses na iya cin sauran pinnipeds, alal misali, murfin hatimi ko hatimin zoben zobe, amma wannan yana da matuƙar wuya a lokuta na musamman lokacin da babu isasshen abinci ga kowa da kowa. Onlyan Adam kaɗai aka kaiwa hari, don haka babu buƙatar magana game da ɗimbin yanayin cin wasu dabbobi. A cikin lokuta mafi saukin yanayi, walruses na iya kai hari ga tsuntsayen sauka.

Matsakaicin, don samun isasshen abinci, yakamata walrus ya ci abinci har zuwa kilogram 50 na kifin kifin ko wasu abinci kowace rana. Abincin abinci shine kamar haka. Da farko, wallon da karfi da karfi ya soki yashi ko laka, sai ya “fara” shi kuma ya fashe harsasai daga nan. Yankin da aka wanke yana kawar da zafin motsi na ƙoshin ƙashi, wanda aka rufe shi da ƙira mai wuya, kuma ana cin naman. Haka kuma, karin tsutsotsi da crustaceans yana faruwa. Bakin haurensu a zahiri an share su daga kasa su ci. Ana bincika abinci ta amfani da vibrissae wanda ke kan fuskar dabba.

Siffofin hali da salon rayuwa

Hoto: Littafin Walrus Red

Walruses garken dabbobi ne. Yawancin lokaci girman kowane garke ya kasance daga waldi 20 zuwa 30, amma a wasu rookeries daruruwan har ma dubban dabbobi suna haɗuwa. Kowane garken yana mamaye mafi ƙarfi da girma namiji. Ragowar sukan raba abubuwa lokaci zuwa lokaci tare da kokarin daukar taken. Batun muhawara shine kusan koyaushe mace ce.

A cikin garken, dabbobi yawanci suna kwance sosai da juna, saboda karancin filin ƙasa ko dusar kankara. Sau da yawa dole ne kuyi kwance a gefen ku, wani lokacin kan huta kan ku akan makwabta na maƙwabta. Kuma idan akwai sarari sosai, to, za su iya yin shimfida biyu. Duka rookery suna "motsawa" koyaushe: wasu dabbobin suna shiga ruwa su ci ko suyi sanyi, sauran wutsiyoyi kuma nan da nan suka koma inda suke.

Gaskiya mai ban sha'awa: a gefuna na walrus rookeries akwai kusan kullun wasiƙa waɗanda, suna lura da haɗari, nan da nan suna faɗakar da kowa da babbar ruri. Bayan irin wannan siginar, garken garke duka sun kutsa cikin ruwa kamar ɗaya.

Dangane da sauran dabbobi kuma da junan su, waldilai sun fi zaman lafiya da kuma abokantaka. Daga cikin wasu abubuwa, walrus na mata suna da ilmantarwa ta mahaifiya, wanda shine dalilin da ya sa basa kare sa thean su yayin hatsari, kuma basu kula da theira theiran su kawai ba, har ma da wasu cuba cubanyan. Hakanan suna da matukar son jama'a. Duk wani matattarar walrus a cikin garken yana bawa kowane ɗan ƙwanƙolin ya hau kan bayansa ya kwanta can ya huta.

Tsarin zamantakewa da haifuwa

Hoto: Walrus Cub

Walruses dabbobi ne masu kwanciyar hankali da kwanciyar hankali, amma yayin lokacin kiwo, wanda ke faruwa a ƙarshen Afrilu ko farkon Mayu, maza galibi suna yin yaƙi ga mata. A cikin yaƙin, suna amfani da ƙaƙƙarfan ƙarfin tofa, amma ba su barin hasara mai ƙarfi a jikin abokin hamayya. Walruses suna da fata mai kauri sosai da kuma ƙarfin iko mai wanda ke hana mummunan rauni ga gabobin ciki.

A ƙarshen Afrilu, mafi girma adadin maniyyi tara a cikin walruses na maza, kuma sun kasance a shirye don takin mace. Mata kuma, a shirye suke don hadi yayin wannan lokacin, kuma tuni cikin tsakiyar Mayu zasu fara samar da kwayoyin halittar ciki.

Bayan mating, duk walrus suna ci gaba da rayuwarsu cikin nutsuwa a cikin garken. Mata masu juna biyu za su kawo zuriyarsu a cikin shekara guda. Jariri daya kawai ake haihuwa. Girmansa ya kai kilogiram 60-70, tsawonsa ya kai kimanin mita. Rusan ƙaramin walrus ya sami damar iyo cikin ruwa tun daga haihuwa, wannan yana taimaka masa ya rayu idan akwai haɗari, kuma yakan yi renon mahaifiyarsa.

Lokacin lactation a cikin walruses yana da tsawo - kamar shekaru biyu. Saboda haka, walruses ke haifarwa sau ɗaya tak a kowane shekaru 4-5. Mace na iya yin juna biyu sau da yawa kawai idan cuban baya ya mutu. Lokacin da manyan katako suka girma a cikin matasa walruses, lactation daina kuma dabba tana canzawa don ciyar da kai. Maza sun zama masu balaga ta hanyar shekaru shida zuwa bakwai, mace kaɗan a baya.

Cubs suna ci gaba da rayuwa a cikin garken guda tare da iyayensu, amma a matsayin mutane daban-daban.

Abokan gaba na maƙiyan walrus

Hoto: Walruses Russia

Walrus suna da girma da ƙarfi sosai, mutane kaɗan ne zasu iya cutar dasu. Na dabbobin ƙasa, kawai polar bear ke haɗarin kai hare hare, kuma yana yin ta ta wata hanya. Gashin yana kare walrus a gefen kankara kankara ko kusa da ramin kankara, daga inda walrus zai fito.

A daidai lokacin da ruwa ya kamata beyar ta buge shi, domin ya iya fuskantar tarko da gawa. Wato, idan bai kashe ko yankan goge daga busa guda ba, to walrus din zai iya tsayayya dashi. A cikin yaƙe-yaƙe tsakanin tsintsiya da beyar, na biyu na iya samun munanan raunuka daga manyan giwayen teku.

Beaan fora fora ga jarirai kuma har yanzu ƙananan mutane na walruses suna da haɗari sosai. A canan bears na iya kawo musu hari kai tsaye a ƙasa, kan kankara Yara ba su iya ba da juriya mai ƙarfi kuma galibi galibi suna mutuwa ne a cikin faɗakarwar magabatan.

Akwai sanannun lokuta na kai harin akan kisa Whale walruses. Kusan sunada girman sau 3 fiye da walrus, kuma sau 4 yafi birge su, saboda haka walrus baya iya kare kansa daga kifayen kisa. Yana sarrafa hanyar tserewa ne kawai idan ya isa ƙasa. Dabarar farautar kisa kifi kusan iri ɗaya ce. Sukan haɗa kansu cikin garkuwa, suka rarrabe shi, sannan suka kewaye wa wani daban daban, su kai masa hari.

Babban maqiyin walruses shine mutum. Domin kyautar nama, kitse, fata da kiba, mutane sukan nemi farauta. Bayan kashe walrus ɗaya, zaka iya ciyar da danginka tsawon watanni, saboda haka walruses da yawa sun mutu a hannun mutum. Amma ba wai kawai yunƙurin tilasta wa mutane su kashe waɗannan dabbobin na lumana ba, ana kuma sarrafa su ta hanyar farauta.

Abin takaici, saboda haka, yawancin walruses sun mutu ba gaira ba dalili. Sun fara haifar da sannu a hankali, kuma adadin walruses ya ragu sosai. Don haɓaka shi, ana buƙatar lokaci mai yawa, kuma, duk abin da mutum zai faɗi, ba za a iya hanzarta aiwatar da wannan tsari ba.

Yawan jama'a da matsayinsu

Hoto: Dabbobin Walrus

Babu cikakken bayani game da adadin walruses a yau. Dangane da ƙididdigar marasa ƙarfi, yawan wakilan ƙasashen dake ƙasashen Pacific akalla mutane dubu 200 ne. Yawan walrus na tekun Atlantika tsari ne na ƙanƙan da girma - daga dabbobi 20 zuwa dubu 25, don haka ana ɗaukar wannan ƙananan barazanar barazana. Mafi ƙarancin yawan mutanen shine Laptev. Irin waɗannan walrus a yau sun kasance daga 5 zuwa 10 dubu.

Babban tasiri ga yawan waɗannan dabbobin yana gudana ne ba kawai ta hanyar ayyukan ɗan adam ba, har ma da canjin yanayi na duniya. Musamman, akwai raguwa a gwargwadon fakitin kankara da kauri. Wato, a kan wannan kankara, walruses suna samar da rookeries don dattako da kuma haihuwa yayin haihuwa.

An yi imanin cewa saboda canjin yanayin canjin yanayi an sami raguwa a wuraren hutu da suka dace don walrus a kusa da wuraren ciyar dasu. Saboda wannan, ana tilasta wa mace ta zama bata zama cikin dogon lokaci ba don neman abinci, wannan kuma yana shafar ciyar da cuban ta.

Sakamakon raguwar adadin walrus, kayan kasuwancin su a halin yanzu doka ta haramta a duk kasashe. Zuwa iyakantacce, ana izinin kamun kifi zuwa ga 'yan asalin ƙasar da kuma' yan asalin ƙasar, wanda kasancewar tarihinsa yana da alaƙa da girbin walrus.

Kariyar Walrus

Hoto: Littafin Walrus Red

Atlanta walrus na Atlantika da mambobin Laptev waɗanda ke zaune a cikin ruwan Rasha an jera su a cikin littafin Red na Rasha. An kare sararin samaniyar tekunsu, kuma an haramta kamun kifi tun shekaru hamsin na karni na XX. An ayyana wuraren shakatawa a matsayin wuraren ajiyar kaya, kuma an rage girman ayyukan masana'antu a cikin muhallansu. Amma baya ga wannan, babu wasu matakai na musamman da ƙarin matakan kare walruses har zuwa yanzu an yi aiki dalla-dalla.

Ta hanyar haɗin gwiwar ƙasashen duniya, ya yiwu a ƙara haɓakar ɗabi'a na walruses. A matsakaici, yanzu kusan kashi 14%, wanda yayi 1% sama da mutuwar waɗannan dabbobi. Tare da ayyukan da aka riga aka ɗauka, yana kuma da kyau a tsara nazarin wuraren zama da lura da lambobi a hankali akai-akai.

Akwai zaton cewa don ci gaba da yawan jama'a, yana da ma'ana don kare ba yawan walrus kansu kamar dabbobin da suke ciyar da su ba. Amma wannan shine ɗayan matakan yiwuwar. Akwai kuma ra'ayi cewa raguwar lambobi yana da alaƙa da canjin yanayi. Wannan yana kawo cikas ga komowar mutane.

Matsayi mai tasiri shine kawai don iyakance gurɓataccen kemikal na bakin ruwa da ruwa, tare da iyakance abubuwan da ke haifar da damuwa, kamar hawan injunan helicopter da jiragen ruwa masu wucewa. Sannan walrus zai iya dawo da mutanenta kuma yana iya fara dawo da matsayin sa a cikin tsarin kasa baki daya.

Bayanin walrus na Atlantic

Babban dabbar marine tana da fata mai kauri sosai . Thearfin saman walruses suna daɗaɗaɗɗa, elongated da directed zuwa ƙasa. Zzlearfin babban abu ya zauna yana da kauri da tauri, da yawa, marassa ƙyashi mai amo kamar santsi (vibrissa). Yawan nau'ikan must must a lebe na sama yawanci 300-700 ne. Kunnuwa na waje duka ba su nan, idanun kuma sun cika girma.

Rayuwa, halayya

Wakilai daga cikin waɗannan walungiyar Atlantika walrus sun fi son hada kan garken lambobi daban-daban. Tare da rayayyun halittu masu haɗin kai suna ƙoƙari su taimaka wa juna sosai, tare da kare mafi ƙanƙancin su da ƙaramin dangi daga harin abokan gaba. Lokacin da mafi yawan dabbobin da ke cikin irin wannan garken kawai suke hutawa ko suna bacci, abin da ake kira masu gadi ne ke tabbatar da amincin kowa. In dai wani lamari na haɗari ne waɗannan masu tsaro suka mamaye duk yankin da babbar ruri.

Abin ban sha'awa ne! Masana ilimin kimiyya sun ce, a cikin lura da yawa ana iya tabbatar da cewa, yayin da take da kyakkyawar ji, mace tana iya sauraron kiran danta koda a nisan mil biyu.

An rama da rashin isa da saurin walwala ta hanyar kyakkyawan ji, kyakkyawan kamshi, hangen nesa mai inganci.Wakilan pinnipeds sun sami damar iyo sosai kuma suna da abokantaka, amma idan ya cancanta suna iya nutsar da jirgin ruwan kamun kifi.

Habitat, mazauni

Accurateididdigar yawan kuɗin da suka dace na adadin wakilan membobin Atlanta a cikin Atlantic ba su da sauƙi, amma mafi yawa yanzu ba ya wuce mutum dubu ashirin. Wannan ƙarancin yawan mutane ya bazu daga Arctic Kanada, Svalbard, Greenland, da kuma a yankin yammacin Arctic na Rasha.

Ya danganta ne da gagarumar rabe-raben ƙasa da bayanan kimiyya akan duk ƙungiyoyi don haka yana iya ɗaukar kasancewar dabbobi takwas ne kawai, biyar daga cikinsu suna yamma da uku a gabashin yankin ƙasar Greenland. Wani lokacin irin wannan katuwar tsutsa yana shiga cikin Tekun Bahar Maliya.

Abin ban sha'awa ne! A cikin tsarin shekara-shekara, walruses suna iya yin ƙaura tare tare da kankara mai yawa, saboda haka suna motsawa don sharewa kankara kankara, yin iyo zuwa wurin da suka dace, sannan kuma su tashi zuwa ƙasa, inda suke shirya rokarsu.

Wakilan mambobin ruwan tekun Atlantika suna yin amfani da iyakokin da suka shimfiɗa daga kudu zuwa iyakar Cape Cod. A cikin adadi mai yawa da aka yanke shi, an samo dabbar a cikin ruwan St. Lawrence Bay. A lokacin bazara na shekara ta 2006, an haɗu da yawan mutanen da ke zaune a arewacin tekun Atlantika a cikin Dokar Barazana Tsarin Canadianariyar Kanada.

Abincin walrus na Atlantic

Tsarin ciyarwa don wakilan wakilan walungiyar Atlantic walrus na yau da kullun kusan. Tushen abincin su shine ƙananan mollusks, waɗanda pinnipeds suke kamawa cikin sauƙin. Walruses tare da taimakon dogayen lamuransu masu karfi da karfi kuma suna ta motsa kasa mai laushi, wanda hakan ke haifar da cike ruwa tare da daruruwan kananan harsuna.

Walruses wanda walrus din ya tattara ya hau saman fayafai, bayan haka ana shafa su da karfi sosai. Gmentsarin ɓarnar da ya ragu a sakamakon ya faɗi zuwa bottomasan, yayin da mollusks kansu sun kasance don yin iyo a saman ruwa. Suna cin abinci sosai ta hanyar walruses. Hakanan ana amfani da nau'ikan crumaceans da tsutsotsi don dalilai na abinci.

Abin ban sha'awa ne! Yawancin abinci yana da mahimmanci don walruses don tallafawa mahimman ayyukan jiki, kazalika don ƙirƙirar isasshen kitsen mai ƙoshin mai, wanda yake mahimmanci don kariya daga hypothermia da iyo.

Ba a yaba da kifayen da dabbobin da aka fifita su ba, saboda haka irin wannan abincin ba safai ake ci ba, kawai a cikin lokutan tsaran matsalolin da ke tattare da abinci. Abubuwan ruwan walda na tekun Atlantika ba su raina ƙanƙanun koran fata da ke ɗauke da fata ba. Masana kimiyya sun rubuta adadin manyan dabbobin da ke kai hare-hare a kan narwhals da like.

Kiwo da zuriya

Walrus na Atlantic ya isa cikakkiyar balaga ne kawai yana da shekaru biyar zuwa shida, kuma lokacin tsufa na aiki a cikin irin pinnipeds yana faruwa a watan Afrilu da Mayu.

Ya kasance a cikin irin wannan lokacin da maza, waɗanda a baya aka bambanta su da yanayin aminci sosai, suka zama mawuyacin hali, saboda haka suna yawan yin faɗa da juna ga mata, ta amfani da manya da haɓaka tsattsauran ra'ayi don wannan dalili. Tabbas, matan da suka manyanta za su zabi mazaje masu ƙarfi da aiki sosai don kansu a matsayin abokan tarayya.

Matsakaicin lokacin haila na walruses na walrus bai wuce kwanaki 340-370 ba, bayan wanne ne kawai, amma mafi girma a cikin girman, an haife cubs. A cikin mawuyacin yanayi, an haifi tagwaye . Tsawon tsayin jikin ɗan ɗakunan mara wallen Atlantika ya kai mil ɗaya tare da matsakaicin nauyin kilogram 28-30. Daga farkon kwanakin rayuwarsu, yara sun koyi yin iyo. A cikin shekarar farko, walruses suna cin abinci ne kawai akan madarar uwa, kuma bayan hakan sai suka samu damar cin abincin halayen manya.

Babu shakka duk walrus yana da halayyar mahaifiya mai hazaka, saboda haka sun sami damar kare theiran uwansu a yayin haɗari. Dangane da lura, a gaba ɗaya, mata na walrus na Atlanta suna da taushi da kulawa uwaye. Har zuwa kusan shekaru uku, lokacin da matasa walruses suke da kyankyasai da tsumma, matasa kusan koyaushe suna zama kusa da iyayensu. Sai kawai lokacin da nake da shekaru uku, na riga na girma rijiyoyin fanko, sun isa, shin wakilan mambobin ƙasadar ta Atlantic walrus sun fara balaga.