Zeziphi izilwanyana abamnyama? Le ngxaki yokusetyenziswa melanism

Kwihlabathi isilwanyana, umbala omnyama ufunyanwa kunqabile kakhulu. Lo mbala kunceda kwezinye iimeko lokuzuza ukukwazi ukuzimela kwaye Hunt kuzo zonke iindlela ukulwela endaweni yabo phantsi kwelanga. Kodwa izilwanyana yokwenene abamnyama hayi kangako. Ingakumbi phakathi izilwanyana. Malunga yintoni ezimnyama (kwaye zasendle kunye zasekhaya) izilwanyana, funda inqaku lethu.

amahashe

Kuba yasekhaya, ezagcinwa indoda kusukela izilwanyana kudaladala ziquka amahashe kwindawo yokuqala. Yiyiphi umbala ezi amahashe (okanye mandithi, ezifanelene)? Iintlobo bokukhanya-ezingwevu (abamhlophe), obomvu, Nightingale (abomvu namhlophe umzimba - isingci nomsila), emdaka (omnyama ngebala), nezompleyini (yingqombela brown), pinto (umbala esisiseko - amatshatshazi amhlophe), grey , sinh. Kwaye oku nje esisiseko. Kodwa ihashe elimnyama - abamnyama ngokupheleleyo. Ngoko lo mbuzo: "Nguwuphi na isilwanyana omnyama", unako ukuphendula ngokuzithemba: "ihashe elimnyama".

cats

Kuba ziikati of umbala abamnyama ngabantu luloyiko, baniqalekisayo kubo yaye ngokufuthi otyholwa zonke izono ofayo. Kodwa thina, belahla ubandlululo kanye neenkolelo, singakwazi ukuseka into yokuba lo mbala ifumaneka izilwanyana umbala rhoqo (kwezinye iintlobo - ukuya kutsho kuma-50%). Zeziphi izilwanyana abamnyama? iikati yasekhaya. Nangona abanye abalimi kwaye uphephe ukuphelisa izilwanyana abamnyama, bakholisa ukuba kwiziphumo kukhuphiswano ngaphezulu nemelanistov. Umzekelo, abamnyama Maine Coons abe iimpawu ucaca ngakumbi zamatye: ephakamileyo iindlebe kunye bhuqe elide. NamaPersi-melanistic "ubuso" kakhulu caba nezikhwebu lincinci ephantsi-set. Ngoko ke ukuba uphendule umbuzo othi "yintoni hlobo izilwanyana abamnyama" phakathi izilwanyana, kunokuthiwa ngokuqinisekileyo. "Cats kubangela ezahlukahlukeneyo"

Le ngxaki yokusetyenziswa melanism

Zeziphi izilwanyana abamnyama? Eneneni melanism kwenzeka phantsi kweemeko eziqhelekileyo kwizilwanyana ezininzi, kungekuphela nje izilwanyana. Izinambuzane, intlanzi, iintaka, izilwanyana eziphila emhlabeni nasemanzini kunye ezirhubuluzayo. Bonke bephela kuxhomekeke ukungaqheleki yemfuza ngebala. Melanistic udla ngokubizwa ngokuba "albino vice versa." Abameli mpungutye ezinegazi elishushu, unomatse, ikati, ingcuka, zasendle kunye nezinja zasekhaya. Kwizilwanyana ezininzi, oko - enye indlela yokusindisa, nangenxa jaguar abamnyama, umzekelo - iadvanteji ngexesha Kwahlwa, kwasa: (ngongcwalazi) nokuzingela.

jaguar Black. Inkcazelo yesilwanyana

isilwanyana mikhulu felines, ezibonisa ngenxa melanism (lwemfuzo lobeko kombala) ulusu ogama omnyama. Oku eziphilileyo subfamily iikati amakhulu - ilungu kuphela sodidi Panther Kwihlabathi Elitsha (kuMzantsi nakuMntla Melika). Ummandla zokusasaza - ukusuka eMexico eParaguay. ubude bayo emzimbeni (ngaphandle umsila inxalenye) phantse abe ziimitha ezimbini, ubunzima kukuwe ukuba wayedla ezilikhulu. Ubude kwi libunile - up to ngokweesentimitha 70. Ngembonakalo, umhlaseli ifana kakhulu kwenye isihlobo sakhe - nengwe, ezinkulu kuphela.

It uhlala kakhulu amahlathi ashinyeneyo kunye entabeni, kodwa ngamanye amaxesha kwenzeka kunxweme olwandle. Yena utshaba, zokuzingela ngongcwalazi. iiyure ezininzi ezisebenzayo: emva kokutshona kwelanga naphambi kokuphuma, xa jaguar zikhangela amaxhoba alo. Kusenokuba yasemanzini, peccaries, tapirs. Kodwa umhlaseli akayeki evela iintaka, iimpuku, iinyoka. It wengwenya Ufudo ezahlukeneyo (Jaguar imihlathi ezinamandla nako ukuzivula nokuba iqokobhe nzima), kwaye athe wemba amaqanda nehobe ne iziyolo regales nabo. Jaguar i bezandla elungileyo kwaye zikufumane ixhoba emanzini. Maxa wambi ixhoba yakhe alligators ezincinane ukulala okanye intlanzi.

indlela wokuzingela - lombutho babelalele (engceni, phezu umzila, kufutshane amachibi). Jaguar top ukutsiba ixhoba kwaye ufuna eziwisa kuye, ukuqhekeza amathambo wesibeleko ngamanye amaxesha ukuleqa ngokusebenzisa ukakayi. abazingeli onetyuwa (umzekelo, Brazil) wothulelw isakhono jaguar of ngomlingo ngokunxulumene amaxhoba awo.

Siye jaguar abahlala kumahlathi ashinyeneyo, na melanism nesenzeko pretty eqhelekileyo (ukuya kwi-50% yezilwanyana), njengoko kwiimeko ukukhanya sityhafile izilwanyana umbala ngokoqobo ezingabonakaliyo mnyama, leyo lula iimeko zabo ngokuzingela basinde. Ngoko ke umbuzo othi "Yintoni isilwanyana abamnyama na?" Nathi singatsho ngokuzithemba: Panther emnyama. Phela, uboya jaguar black (Panthera) edyokhweni zipeyintwe elinediski igama lombala. amabala ngaphezulu okanye ngaphantsi ebonakalayo leyo nomfi apha esikhumbeni.