News and Society, Uhlobo
EseMazantsi kwaye northern elephant itywina
Elephant Seals - kuba izilwanyana umdla kakhulu. Yokuba ezinegazi elishushu kunye ezanyisayo, ukuba ngokugqibeleleyo apha ebomini emanzini - endaweni akhu- amaphiko azo, imilo umzimba kuhlengahlengiswa, ongama ngakumbi amanqatha layer awuvumeli ukuba ngumkhenkce emanzini abandayo, isikhumba erhabaxa , neenwele enokuqina kwakhona negalelo ulondolozo ubushushu - kodwa kwangaxeshanye kubalulekile kufuneka uchithe ixesha elithile ilizwe, apho amadoda ezityebileyo nzima yaye angenzi.
Ukongeza yokuphila yezi zilwanyana umdla kakhulu nemvelaphi igama yohlobo lwazo. Ngapha koko, ibinzana elithi "elephant" yenza kakhulu lombutho unento enkulu magingxigingxi, kodwa amatywina ngokwenene elephant phantse musa igqithe ubukhulu itywina. Kutheni na ezi zilwanyana funny ufumana igama labo?
Enyanisweni, indlovu wabelithiyiwe hayi ngenxa ubukhulu yayintle, kodwa ngenxa yokuba umhlambi eluswini, ibekwe phezu kobuso isilwanyana, kwaye efana buti. Kungenxa yoko le nto inkcazelo ulwazi malunga ilizwe elephant indlovu phantse ngamampunge. Oku "boko" ayikho likhulu kakhulu - malunga 10 centimetre - kodwa xa isilwanyana ufumana ithuba ntshikilelo ngokweemvakalelo nande.
Kwindalo kukho iintlobo ezimbini elephant: ngasentla nangasezantsi. Umahluko omkhulu phakathi kwezi ntlobo zimbini endaweni yawo yemvelo kunye nobukhulu.
Northern elephant uhlala kunxweme olusentshona of America, kunye namazwe amaninzi lonxweme bakugqala Umtsalane weZilwanyana zabo kwaye usebenzise ukuba nomtsalane kubakhenkethi. Kodwa ke ngoku ukuba ezi zilwanyana akhuselwe ngumthetho.
Ngaphambili ke, akufuphi kunene, ezi izinto eziphilileyo mercilessly bazixhela kubazingeli, kwaye ekupheleni kwenkulungwane yamashumi amabini ukuba beziphantse ukumka. Noko ke, kamsinya nje amatywina elephant zavakaliswa akhuselwe, abemi yabo iye linyuke kakhulu.
Ubungakanani yezi zilwanyana kuba enkulu kunene: eyindoda ongakanani ukuya kwiitoni ezingama-2.7, yaye ubunzima iimazi - 900 kuphela kg.
Habitat elephant lasemzantsi mkhulu kakhulu ngakumbi: nangabo ukuya kunxweme Antarctica, New Zealand, Patagonia, kumazantsi eAfrika Australia. Ngu ubungakanani akumazantsi elephant uphawu kakuhle ngaphambi nogxa wayo wasentla: eyindoda ongakanani ukuya kwiitoni ezingama-3.5, ubude - iimitha ezi-6, iimazi ubunzima - 1.5 tons, ubude - iimitha ezi-3.
Elikwi ezi izilwanyana eziphakamileyo kakhulu, bona bayakwazi ukuya ngaphandle umoya malunga imizuzu engama-40, yokuntywila ukuya kubunzulu wesiqingatha iikhilomitha lizokudada ngaphandle yokuphumla emalunga neekhilomitha 5000.
Elokugqiba, ezi ntlobo zimbini ze amatywina elephant ziyafana kakhulu, phantse yokuphila enye, efanayo abantwana babo.
Ngoko ke, zonke Elephant AMatywina - ezizingelayo, zidla yeentlanzi kunye squid ubanjwe - ukuba angenzi emhlabeni, emanzini, ezi zilwanyana ibe umzingeli olukhawulezayo ngokungakhathali. Umlinganiselo wokuphila elephant - engama-20.
kangangexesha elephant amatywina ubomi bakhe bachitha emanzini, kuzingela, ukutya, kwaye ziya zikhula ngokukhula. Ukuze ukhululeke, ukuba ukugaqa elunxwemeni, apho ekukhuleni isuti. Kodwa ixesha lokukhwela entsimini amaduna kwinkitha yesiqhelo amalungiselelo lemidlalo - ngoko Bamisa lwemigangatho. Ngeli xesha, namandla kubaluleke kakhulu ukuba amatywina elephant, ngokuba elinye iqela ngaphezulu oyisa iduna, kokukhona kuya kuba ethathe - i kakhulu bangahlangana ukuba ezilikhulu nabasetyhini.
Emva ekwakheni uluhlu amadoda ewakhwelayo namankazana abo, ukukhulelwa elide iinyanga ezili-11. Isibini iiveki phambi kokuba ukuzalwa qubha nemazi kwi rookery lwabo apho uze uzale ithole elinye.
inzala kwemfundo elephant baselwandle kuphela ababhinqileyo. Umama feeds usana inyanga ngobisi, akayi lemka kuyo kwaye niyatya efunde kuphela amanqatha ngonyaka. Ngendlela, ukuba ubisi yezi zilwanyana kuba amanqatha phakathi ezanyisayo - malunga ne-50% ngamanqatha. Kwinyanga kamva, unina uya zikhangela ukutya kwaye usoloko ishiya usana lwakhe, ngubani ngoku ukusinda ngokwabo.
A ngenyanga elichithwa ubisi lwebele, abaselula itywina elephant kukhula ngamandla kwaye bandisa isixa esikhulu namanqatha, nto leyo evumela ukuba baphile ngenyanga yokuqala yobomi elizimeleyo. Kwiminyaka emibini emva koko, izilwanyana intsha ifika ukukhula ngokwesini, yaye bona babe abazali kwisizukulwana esitsha eendlovu zaselwandle.
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