Malinga ndi gulu la zoological, ma walruse ndi am'banja la walrus komanso dongosolo la zikhomo zam'mimba. Ndiye kuti, ali ndi mafupa m'malo mwa miyendo. Achibale okalamba a walruses ndi zisindikizo zared, zomwe zimafanana kwambiri. Kwa nthawi yayitali, zikhomo zonse zimawonedwa ngati chinthu chimodzi, koma malinga ndi malingaliro amakono, zisindikizo zokhazokha ndi zomwe zimagwirizana ndi walruse, ndipo zisindikizo zenizeni zimakhala za mzere wosiyana kotheratu.
Kanema: Walrus
M'malo mwake, zonsezo ndi zikhomo zina zimachokera ku makolo osiyanasiyana, ndipo mawonekedwe ofanana a thupi ndi miyendo amafotokozedwanso ndi moyo womwewo. Mizere ya zisindikizo ndi ma walrose adasinthika pafupifupi zaka 28 miliyoni zapitazo. Walruse okha mwanjira yawo yamakono adapanga zaka pafupifupi mamiliyoni 5-8 zapitazo ndipo amakhala m'chigawo cha Pacific. Amakhala m'madzi am'mphepete mwa Arctic kwa zaka pafupifupi 1 miliyoni.
Mitundu itatu yopatukana ya walrus yokhala ndi mizere yosagwirizana, ndi maonekedwe ang'onoang'ono, ndiosiyanitsidwa:
- Walrus Pacific,
- Atlantic walrus,
- Laptev walrus.
Ngakhale, malinga ndi zotsatira za kafukufuku wa DNA ndikusanthula kwa ma data a morphometric, asayansi adayamba kukhulupilira kuti tiyenera kusiya kuganizira zosowa zamtundu wa Laptev ngati zodziyimira pawokha. Ngakhale kudzipatula kwa mitundu iyi ya walruses, titha kuwaona ngati kuchuluka kwa anthu akumadzulo kwa Pacific.
Maonekedwe ndi mawonekedwe ake
Chithunzi: Chinyama cha Walrus
Thupi la walrus ndi lalikulu kwambiri komanso lalikulu. Kutalika kwa munthu wamkulu kumakhala kwamtengo wapatali mpaka 4 mpaka 5 metres, ndipo kulemera kwa thupi kumatha kufika tani imodzi ndi theka. Akazi ndi ocheperako. Mutu wa walrus umakhala wocheperako poyerekeza ndi thupi lake, motero umawoneka ngati wopendekera pang'ono pakhosi lake lamphamvu.
Kupukutira kwa nyama kumakhala zokhala ndi ubweya wambiri komanso wowuma, wamtundu wa vibrissa, makulidwe ake omwe amatha kufikira 1 kapena 2 mm ndi kutalika masentimita 15 mpaka 20. Vibrissae pankhope ya nyamayo amafanana ndi bulashi pakuwoneka. Amagwiritsidwa ntchito ndi walrus akafufuza malo am'madzi pansi panthaka komanso poyenda pansi, popeza kulibe kuunika kokwanira pansi pa pansi pa madzi oundana, ndipo masomphenyawo amayamba kuchita mbali yachiwiri.
Ma Walruse ali ndi canines apamwamba, omwe amapangidwa kwambiri, okwera kwambiri komanso owongoka kutali kupitirira nsagwada. Amadziwika. Amayenda pansi, kuyesera kukumba ma mollusks obisika mumchenga ndi nyama zina. Mukasunthira pamayendedwe a ayezi, ma alrus amatha kugwiritsa ntchito ma tini ngati chida chothandizira kuchitira. Koma tiyenera kukumbukira kuti ichi sicholinga chawo chachikulu. Nthawi zina mankhusu amawonongeka, ndipo walrus amawataya. Makamaka izi zimachitika mu ukapolo, chifukwa cha konkire zolimba pansi pamagalimoto.
Chosangalatsa: ma Tchks amatha kutalika mita, ndi kulemera mpaka 5 kg. Nthawi zambiri mankhusu amagwiritsidwa ntchito pomenya nkhondo, chifukwa chake amuna omwe amakhala ndi mphamvu zochulukirapo amalamulira.
Khungu lakuda kwambiri la nyama imakutidwa kwathunthu ndi tsitsi lalifupi loyandikana ndi lamtundu wachikasu. Koma ndi msinkhu, tsitsi pakhungu limakhala laling'ono, ndipo pakapita nthawi yayitali khungu limakhala lamaliseche kwathunthu. Khungu lenilenilo ndi lozungulira.
Miyendo ya walrus, ngati zikhomo zina, ndizovunda. Koma amazisintha kuti zizoyenda pamtunda, mosiyana ndi zisindikizo. Chifukwa chake, ma walrus amatha kuyenda pamtunda m'malo osamba ngati zikhomo zina. Zitsulo zake ndizosasangalatsa. Padziko lapansi, ma walrose amakhala odabwitsa, osuntha movuta. Koma amasambira abwino kwambiri ndipo amakhala omasuka m'madzi.
Kodi walrus amakhala kuti?
Chithunzi: Nyanja Walrus
Ma Walruse amakhala m'mphepete mwa Nyanja ya Arctic mozungulira North Pole. Mtundu wawo ndi wozungulira. Mutha kukumana ndi nyama kumpoto kwa Europe, Asia, komanso m'madzi am'mphepete mwa North America ndi zilumba zambiri za Arctic. Koma mosiyana ndi zisindikizo, ma walruse amapewa malo onse otseguka a madzi ndikunyamula ayezi, kotero amayesetsa kukhala pafupi ndi gombe.
Mwambiri, ma walruse amakonda kukhala komwe kuya kuya sikuli oposa mita. Popeza zakudya zawo zambiri zimakhala ndi zolengedwa zochepa, zochepa zomwe mumayenera kulowa pansi ndikugwiritsa ntchito mphamvu, ndizosavuta kwa nyama. Koma nthawi yomweyo, pafupifupi walrus aliyense amatha kulowa m'madzi akuya mpaka ma 150-200 mita.
Chosangalatsa: ma walruse amatha kuchepetsa m'mitima yawo pamadzi. Dongosolo lalikulu la mafuta osunthika, omwe ndi othandizira kutentha, amawathandiza kupirira kutentha kwamadzi.
Nyama zimasamukira kwakanthawi, koma ndizifupi. M'nyengo yozizira, anthu a walrus amayenda kumwera, koma ma kilomita 100-200 okha. Kwa nyama zazikulu zotere, izi ndizochepa kwambiri.
Chiwerengero chachikulu cha ma walruse chimakhala ku Chukchi Peninsula, m'mphepete mwa Bering Strait, ndipo madera ambiri amakhalanso ku Penrula ya Labrador. Ma walruse ocheperako amapezeka kumadzulo ndi pakati pagombe la Eurasia. Pafupi ndi Greenland ndi Svalbard, nthumwi zochokera ku Atlantic zimakhala.
Ma walruse awa amapezekanso kumadzulo kwa Russian Arctic. Chiwerengero chokhazikika cha Laptev walrus chimapezeka pakati ndi kumadzulo kwa Nyanja ya Laptev. Izi ndizocheperako.
Kodi walrus amadya chiyani?
Chithunzi: Atlantic walrus
Mitengo yambiri ya walrus ndi bivalves ndi ma benthic invertebrates, omwe amakolola mwakuya kwa 50-80 metres.
Chakudya chitha kuperekanso:
- Mitundu ina ya nkhanu zam'madzi
- Shirimpi
- Nyongolotsi za Polychaete.
Pafupipafupi, ma walruse amadya octopus ndi holothurians. Mochedwa kwambiri, mitundu ina ya nsomba imadyetsedwa, ngakhale ma walrus nthawi zambiri samvera chidwi ndi nsomba. Ma Walruse amathanso kudya zipatso zina zam'madzi, mwachitsanzo, ana osindikizira kapena zisindikizo zingwe, koma izi ndizosowa kwambiri makamaka pakakhala chakudya chosakwanira aliyense. Ndianthu okhawo omwe amawukiridwa, motero palibe chifukwa chakuyankhula zakuchuluka kwa kudya nyama zina. Nthawi zina, ma walruse amatha kuukira mbalame zomwe zimakafika.
Nthawi zambiri, kuti akwane zokwanira, walrus wamkulu ayenera kudya mpaka makilogalamu 50 a nkhono kapena chakudya china patsiku. Kupanga zakudya kuli motere. Choyamba, matchire amaponya mabowo ake mwamphamvu pansi pamchenga kapena matope, "amawalima" ndi kuchotsa zipolopolo pamenepo. Chipolopolo chawo chimachotsedwa ndikuyenda kwa zipsepse, komwe kumakutidwa ndi mafinya ambiri, ndikuudya nyama. Momwemonso, kuphipha kwa mphutsi ndi crustaceans kumachitika. Ma walruse awo amachotsedwa pansi kuti adye. Chakudya chimasakidwa pogwiritsa ntchito vibrissae yomwe ili pamaso pa nyamayo.
Mawonekedwe a machitidwe ndi moyo wawo
Chithunzi: Buku Lofiira la Walrus
Ma Walruse ndi ziweto. Nthawi zambiri kukula kwa gulu lililonse kumachokera ku 20 mpaka 30 walruse, koma m'mayendedwe ena mazana ndi zikwizikwi za nyama zimalumikizana. Gulu lililonse limakhala lolamulidwa ndi wamwamuna wamphamvu kwambiri komanso wamkulu. Otsalawo nthawi ndi nthawi amakonza zinthu naye limodzi ndipo yesetsani kutenga mutuwo. Nkhani yotsutsana imakhala pafupifupi akazi.
M'busa, nyama nthawi zambiri zimagona kwambiri kwa wina ndi mnzake, chifukwa cha malo ochepa kapena ayezi. Nthawi zambiri mumayenera kugona pagona lanu, nthawi zina kupumula mutu wanu pa walrus wapafupi. Ndipo ngati pali malo ochepa, ndiye kuti akhoza kugona m'magawo awiri. Malo oyendayenda amakhala "akusuntha" nthawi zonse: nyama zina zimapita m'madzi kuti zidye kapena kuziziritsa, ndipo ma walruse ena nthawi yomweyo amabwerera kwawo kuti agone.
Chochititsa chidwi: m'mphepete mwa ma walrus rookeries pali nthawi zambiri otumiza omwe, pozindikira zoopsa, nthawi yomweyo amachenjeza aliyense ndi mkokomo waukulu. Pambuyo pa chizindikiro chotere, gulu lonse limathamangira m'madzi ngati limodzi.
Pokhudzana ndi nyama zina ndi inzake, ma walruse amakhala mwamtendere komanso ochezeka. Mwa zina, ma walrose achikazi ali ndi chikhalidwe chamunthu chomwe chimakula kwambiri, motero amateteza ana awo pachiwopsezo, ndipo amasamalira osati ana awo okha, komanso ana ena. Amakhalanso ochezeka. Woyang'anira aliyense yemwe ali m'bulu amalola kuti mwana aliyense akhwere kumusana ndi kugona pamenepo kuti apumule.
Kapangidwe ka anthu ndi kubereka
Chithunzi: Walrus Cub
Ma Walruse ndi nyama zamtendere komanso zodekha, koma nthawi yakukhwima, yomwe imapezeka kumapeto kwa Epulo kapena koyambirira kwa Meyi, amuna nthawi zambiri amamenyera akazi. Pankhondoyo, amagwiritsa ntchito zida zawo zamphamvu, koma osasiya kugonjetsedwa kwamphamvu pamthupi la wotsutsawo. Ma Walruse ali ndi khungu lakuda kwambiri komanso mafuta ambiri omwe amateteza kuti kuvulazidwa kwamkati kwamkati.
Kumapeto kwa Epulo, umuna wokhwima kwambiri umasonkhana mu walrus wamwamuna, ndipo ali okonzeka kukumana ndi umuna. Akazi, nawonso, amakhala okonzekera umuna nthawi imeneyi, ndipo mkati mwa Meyi ayamba kukulitsa Corpus luteum ya mimba.
Pambuyo pa kukhwima, ma walruse onse amakhalabe ndi moyo wawo wodekha ng'ombe. Akazi oyembekezera adzabereka ana awo chaka chimodzi. Mwana yekhayo amabadwa nthawi zonse. Kulemera kwake kumafikira 60-70 kg, kutalika pafupifupi mita. Wambewu wocheperako amatha kusambira m'madzi kuyambira kubadwa, izi zimamuthandiza kuti apulumuke pangozi, ndipo amatsika pambuyo pa amayi ake.
Nthawi yochepetsetsa mu walruses ndi yayitali kwambiri - pafupifupi zaka ziwiri. Chifukwa chake, ma walrus amaberekera kamodzi kokha zaka 4-5. Mwana wamkazi amakhala ndi pakati nthawi zambiri pokhapokha mwana woyamba wamwalira. Pakakula tinsomba tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tathupi tomwe timatulutsa tokha kudzidyetsa. Amuna amakhala akulu msinkhu pofika zaka zisanu ndi chimodzi mpaka zisanu ndi ziwiri, zazimayi pang'ono kale.
Ng'ombe zimapitilizabe kukhala pakati pa gulu limodzi ndi makolo awo, koma monga odziyimira pawokha.
Adani achilengedwe a walruses
Chithunzi: Walruses Russia
Ma Walruse ndi akulu komanso amphamvu kwambiri, anthu ochepa amatha kuwavulaza. Mwa nyama zapamtunda, ma polar okha ndi omwe amakhala ndi chiopsezo chogunda, ndipo amachichita mwanjira inayake. Chimbalangondo chimayang'anira walrus kumapeto kwa ayezi kuyandama kapena pafupi ndi bowo lamadzi oundana, pomwe walrus amatuluka.
Ndiye pa nthawi yakulowa kuti chimbalangondo chizimumenya, kuti athe kulimbana ndi mtembo. Ndiye kuti ngati sapha kapena kudula walrus kuchokera kumodzi, ndiye kuti walrus amalimbana naye. Pankhondo pakati pa walrus ndi chimbalangondo, chachiwiri chitha kuvulala koopsa kuchokera kumiyendo ya chimphona cha kunyanja.
Zimbalangondo zangobadwa kumene komanso anthu ochepa a walruse ndizowopsa kwambiri. Zimbalangondo zimatha kuwazinga pamtunda, pa ayezi. Ana sangathe kulimbana mwamphamvu ndipo nthawi zambiri amafa chifukwa chomenya nyama zolusa.
Pali milandu yodziwika yokhudza kupha kwa whale walrus. Akuluakulu pafupifupi 3 kuchulukitsa kuposa ma walruse, ndipo amalemera kanayi kuposa iwo, chifukwa chake walrus sangathe kudziteteza ku nkhono zakupha. Amatha kuthawa pokhapokha akafika pamtunda. Malingaliro amasaka opha nyama zopha nyama nthawi zonse amakhala ofanana. Amadzilowetsa mu gulu la walruses, ndikuigawa, kenako kuzungulira payokha ndikuyigunda.
Mdani wamkulu wa walruses ndi munthu. Chifukwa cha nyama, mafuta, khungu ndi mafinya, anthu amakonda kusaka ma walruse. Pambuyo pakupha walrus imodzi, mutha kudyetsa banja lanu kwa miyezi ingapo, ma walrus ambiri adamwalira m'manja mwa munthu. Koma osati njala yokha yomwe imakakamiza anthu kupha nyama zamtenderezi, amazilamuliranso posaka.
Tsoka ilo, chifukwa chake, ma walruse ambiri adafa popanda chifukwa. Amasamba pang'onopang'ono, ndipo kuchuluka kwa ma walrus kwachepa kwambiri. Kuti muwonjezere, pakufunika nthawi yochulukirapo, ndipo, chilichonse chomwe anganene, njirayi singayende mwachangu.
Chiwerengero cha anthu ndi mitundu
Chithunzi: Chinyama cha Walrus
Palibe zambiri zenizeni zokhudzana ndi kuchuluka kwa ma walrus lero. Malinga ndi kuyerekezera koyipa, chiwerengero cha oimira mabungwe a Pacific ndi osachepera 200 anthu. Chiwerengero cha walrus Atlantic ndi dongosolo lozama kumunsi - kuchokera 20 mpaka 25 miliyoni nyama, chifukwa izi subspecies amaonedwa ngati owopsa. Chiwerengero chaching'ono kwambiri ndi kuchuluka kwa anthu ku Laptev. Ma walruse otero lero ndi ochokera pa 5 mpaka 10 zikwi.
Zowonjezera zazikulu pa kuchuluka kwa nyama izi sizimangokhala ndi zochitika za anthu, komanso kusintha kwa nyengo. Makamaka, pali kuchepa kwamlingo woyenera wa ice pack ndi makulidwe ake. Mwachidziwikire, pa ayeziyu, ma walcus amapanga zokolola zawo pakubala ndi kubereka panthawi yakubala.
Amakhulupirira kuti chifukwa cha kusintha kwanyengo pakhala pali kuchepa kwa malo opumirako oyenera a walrus pafupi ndi malo oyenera kudya. Chifukwa cha izi, zazikazi zimakakamizidwa kusakhalapo nthawi yayitali kukasaka chakudya, ndipo izi zimakhudzanso kudyetsa ana.
Chifukwa chakuchepa kwa kuchuluka kwa ma walruse, kupanga kwawo pamalonda kuli koletsedwa ndi malamulo m'maiko onse. Pocheperako, kusodza kumaloledwa kokha kwa anthu wamba ndi anthu wamba, omwe kukhalapo kwawo kumalumikizidwa kwambiri ndi kukolola kwa walrus.
Chitetezo cha Walrus
Chithunzi: Buku Lofiira la Walrus
Mabungwe a Atlantic walrus ndi subsapies a Laptev omwe amakhala m'madzi aku Russia amalembedwa mu Red Book of Russia. Omwe amayenda m'mphepete mwa nyanja amatetezedwa, ndipo usodzi waletsedwa kuyambira zaka makumi asanu za zana la XX. Masamba opangira malo amati ndiosungirako, ndipo ntchito zamafakitale m'malo awo zimachepetsedwa. Koma kupatula izi, palibe njira zapadera komanso zowonjezera zachitetezo cha walruse zomwe zakhala zikuchitika mwatsatanetsatane.
Mwa zoyeserera zapadziko lonse lapansi, zinali zotheka kuwonjezera kukula kwachilengedwe kwa walruses. Pa avareji, tsopano pali 14%, yomwe ndi 1% kuposa kufa kwa nyama izi. Pamodzi ndi zomwe zachitidwa kale, ndikofunikanso kulinganiza maphunziro azakhazikika ndikuwunika ziwerengero pafupipafupi.
Pali lingaliro kuti pofuna kusamalira kuchuluka kwa anthu, ndizomveka kuti siziteteza kwambiri ma walrasm okha ngati nyama zomwe amadya. Koma ili ndi limodzi mwazomwe mungachite. Palinso malingaliro akuti kuchepa kwa ziwerengero kumalumikizidwa ndi kusintha kwa nyengo. Izi zimasokoneza kwambiri kubwezeretsa kwachilendo kwa anthu.
Njira yothandiza ndikungoletsa kuchepa kwamamadzi kwa nyanjayi ndi madzi, komanso kuchepetsa zinthu zosokoneza, monga phokoso la injini za helikopita ndi zombo zodutsa. Kenako walrus athe kubwezeretsanso kuchuluka kwa anthu ake ndipo angayambenso kubwezeretsa malo ake mdziko lapansi.
Kufotokozera kwa walrus Atlantic
Chinyama chachikulu cha m'madzi chimakhala ndi khungu lakuda kwambiri . Mawonekedwe apamwamba a walruses amakula kwambiri, atalikirane ndikuwongoleredwa pansi. Phokoso lalikulu m'malo mwake limakhala pansi ndi zokutira, zowongoka, zokhala ngati mabatani. Chiwerengero cha ndevu zapamwamba pamilomo yapamwamba nthawi zambiri zimakhala zidutswa 300-700. Makutu akunja kulibe, ndipo maso ndi ang'ono.
Moyo, machitidwe
Oimira mabungwe a Atlantic walrus amakonda kugwirizanitsa magulu angapo. Ophatikizana amoyo palimodzi amayesera kuthandizana wina ndi mnzake, komanso kuteteza achibale awo ofooka komanso achichepere kuukira kwa adani achilengedwe. Ziweto zambiri zikagonera kapena kugona, chitetezo cha zonse chimakhala chotsimikizika ndi omwe amati ndi alonda. Pakachitika ngozi iliyonse yomwe ingayandike kumene alondawa akudabwitsanso malo onse mokweza.
Ndizosangalatsa! Malinga ndi asayansi, pakuwunika kambiri, zinali zotheka kutsimikizira kuti, ndikumva kwambiri, wamkazi amatha kumva kuyitana kwa ana ake ngakhale atali mtunda wa makilomita awiri.
Kuwoneka ngati kusakwanira komanso kufulumira kwa ma walrus kumalipidwa ndi kumva bwino, kununkhira bwino komanso kuwona bwino.Oimira ma pinnipeds amatha kusambira modabwitsa ndipo ndi ochezeka, koma ngati kuli kotheka amatha kuimitsa bwato losodza.
Habitat, malo okhala
Kuyerekeza kolondola kwambiri kwa chiwerengero cha oimira Atlantic walrus subspecies sikophweka, koma mwina sizipitilira anthu zikwi makumi awiri. Chiwelengero cha anthu osowa chonchi kuchokera ku Arctic Canada, Svalbard, Greenland, komanso kumadzulo kwa Russian Arctic.
Zinali pamtunda wakugawidwa kwina ndi madongosolo asayansi pa mayendedwe onse kuti zinali zotheka kuganiza za kukhalapo kwa magawo asanu ndi atatu a nyamayi, asanu omwe ali kumadzulo ndi atatu kum'mawa kwa dera la Greenland. Nthawi zina mapiko oterowo amalowa m'madzi a Nyanja Yoyera.
Ndizosangalatsa! Muulamuliro wapachaka, ma walruse amatha kusuntha pamodzi ndi ayezi wamkulu, chifukwa chake amasunthira kumalo osunthira, osambira kupita kumalo oyenera, kenako amapita kumtunda, komwe amakonzekera kuyandama kwawo.
Oyimira mabungwe a Atlantic walrus omwe amagwiritsidwa ntchito momwe amakhala mpaka malire kumwera kumadera a Cape Cod. Mulu wa mapini ambiri opezeka m'madzi a Gulf of St. Lawrence. Mu kasupe wa 2006, gulu la azrus kumpoto chakumadzulo kwa Atlantic lidaphatikizidwa ku Canadian Threatened Species Act.
Zakudya zam'madzi za Atlantic
Njira yodyetsera oimira mabungwe a Atlantic walrus imakhala yokhazikika. Zomwe amadya ndizotsika pansi, zomwe zimagwira mosavuta ndi zikhadabo. Ma Walruse mothandizidwa ndi ma tepi awo ataliitali komanso mwamphamvu amasunthira pansi pamatope, zomwe zimapangitsa kuti madzi adzazidwe ndi zipolopolo zazing'ono.
Ma Walrus omwe amatengedwa ndi walrus amagwira paziphuphu, kenako amapaka mayendedwe amphamvu kwambiri. Zidutswa zotsalira zimagwera pansi, pomwe mabolowo amatha kusambira pamadzi. Amadyedwa kwambiri ndi ma walruses. Ma crustaceans osiyanasiyana ndi mphutsi zimagwiritsidwanso ntchito pazakudya.
Ndizosangalatsa! Zakudya zambiri ndizofunikira kuti ma walruse azithandizira zofunikira za thupi, komanso kuti apange mafuta okwanira okwanira, omwe amafunikira kutetezedwa ku hypothermia ndi kusambira.
Nsomba zopangidwa ndi zikhomo zokhala ndi mapiko siziyamikiridwa, chifukwa chake chakudya chotere sichimadyedwa, pokhapokha pamavuto akulu kwambiri okhudzana ndi chakudya. Zilomboti za ku Atlantic sizimanyalanyaza zimphona zakuda zopaka khungu. Asayansi alemba za milandu yakuwombedwa kwa nyama zazikulu zikuluzikulu zamiyala yamphongo ndi zisindikizo.
Kubala ndi kubereka
Atlantic walruses amafika kutha msinkhu pokhapokha ngati ali ndi zaka zisanu kapena zisanu ndi chimodzi, ndipo nthawi yogwira matenthezi m'mapini oterewa imachitika mu Epulo ndi Meyi.
Inali nthawi yanthawi imeneyi yomwe amuna, omwe kale anali osiyanitsidwa ndi anthu amtendere, amakhala okwiya kwambiri, chifukwa chake nthawi zambiri amalimbana wina ndi mzimayi, pogwiritsa ntchito zazikulu komanso zopangika bwino za thumu pachifukwa ichi. Zachidziwikire, akazi okhwima mwakugonana amasankha amuna okhawo olimba kwambiri komanso otakataka omwe amagonana nawo.
Nthawi yayitali yamimba ya walrus walrus imatha masiku osachepera 340-370, itatha imodzi yokha, koma yayikulu kukula, ana amabadwa. Nthawi zambiri mapasa amabadwa . Kutalika kwa walrus yatsopano ya Atlantic kungangotalika pafupifupi mita imodzi ndi kulemera pafupifupi 8-10 kg. Kuyambira masiku oyamba amoyo wawo, ana amaphunzira kusambira. M'chaka choyamba, ma walrus amadya mkaka wa amayi kokha, ndipo atatha amatha kukhala ndi chakudya chomwe amakhala ndi walruse wamkulu.
Mtheradi ma walruse onse ali ndi nzeru zapakhomo zophunzitsidwa bwino, motero amatha kuteteza ana awo modzivulaza pangozi iliyonse. Malinga ndikuwona, kwakukulu, zazimayi za Atlantic walrus zimakhala amayi achikondi komanso osamala. Mpaka pafupifupi zaka zitatu, pamene ma walruse achichepere amakhala ndi zipsera ndi ma fangasi, achinyamata nthawi zambiri amakhala pafupi ndi kholo lawo. Pazaka zitatu zokha, ndakhala ndikukula kale, kodi oimira mabungwe a Atlantic walrus amayamba kukhala munthu wamkulu.