Ukuchongwa komnenga we-Orca
Okokuqala, i-orca whale, ebizwa ngokwesayensi orcinus orca, ibonakala ngokulula ngenxa yombala wayo omnyama nomhlophe owahlukileyo kunye nobukhulu obukhulu. Ngokukwazi ukukhula ngokuchukumisayo 26 iinyawo zabasetyhini y 32 iinyawo zamadoda Ngokomyinge, zikhulu xa zithelekiswa nabemi abaninzi baselwandle. Amaphiko abo omqolo anomtsalane anokufikelela kwiimitha ezi-6 ubude kumadoda, enye yezona mpawu zibalaseleyo zolu didi.
Ezi behemoth zolwandle zikwanayo imelon ebalaseleyo, indawo engaphambili yentloko evale inkqubo ye-echolocation. Ezi zilwanyana zonakele ngakumbi, nto leyo ezenza zikwazi ukumelana namanzi abandayo.
Iindawo zokuhlala kunye nokuhanjiswa kweminenga ye-Orca
I-Orcas ngabemi bamazwe ngamazwe ngokwenene, njengoko befumaneka kuzo zonke iilwandle zehlabathi. Nangona kunjalo, bakhetha amanzi abandayo kwaye zinokubonwa rhoqo kuzo zombini iindawo zeArctic kunye neAntarctic. Kukho uxinaniso oluphezulu lweminenga ye-orca kunxweme olusentshona lwe-United States neKhanada, ukuya kutsho kwiBering Strait kunye neArctic.
Nangona isasazwa ehlabathini lonke, iminenga ebulalayo idla ngokukhetha ukuhlala kwiindawo ezithile kunokuba ifuduke kakhulu. Oku kuyinyani ngakumbi kubantu abahlala apho abaye bahlakulela ukuxhomekeka kwiintlanzi ezifudukayo.
Ukutya kwe-orca whale kunye nesimbo sokuzingela
I-Orcas ifanele inxakwe ngokwenene ngenxa yabo amaqhinga okuzingela ezikrelekrele nezintsonkothileyo, ezishiyana ukusuka komnye ummandla ukuya komnye. Zizizilwanyana ezizingelayo ezitya iindidi ngeendidi zamaxhoba, ukusuka kwintlanzi kunye neskwidi ukuya kwiinja zolwandle kunye nezinye iindidi zeminenga.
Eminye iminenga ebulalayo ikhetha indlela yokusebenzisana ekuzingeleni, apho iqela leminenga ebulalayo lirhangqa ixhoba lize lilinciphise libe yindawo elinganiselweyo. Oku kwaziwa njengokuzingela kweqela. Abanye basebenzisa iindlela ezingakumbi, ezinjengokulalela nokubetha i-fin slamming, nto leyo ebandakanya ukubetha amanzi ngogonyamelo ukuze lothuse ixhoba.
Ukuziphatha kunye nentlalontle ye-orca whale
I-Orcas ibalasele kubo ubume bentlalo obuntsonkothileyo, eyenye yezona zinto zintsonkothileyo kwizilwanyana. Isiseko soluntu lwabo lusapho lwematrilineal, kunye ne-matriarch, onokuthi abe ngumakhulu okanye umakhulu, okhokela iqela. Usapho lwe-matrilineal lubandakanya i-matriarch kunye nenzala yakhe.
Ezi zilwanyana zinxibelelana kakhulu kwaye zisebenzisa uluhlu lwezandi, ukusuka kukuchofoza kunye neempempe ukuya kwiifowuni ezinzima, ukulungelelanisa ukuzingela, ukuhamba kunye nokugcina ubumbano loluntu. Usapho ngalunye lune 'dialect' yalo eyahlukileyo, uhlobo olulodwa lonxibelelwano olomeleza umanyano lwangaphakathi lweqela.
Isimo solondolozo kunye nezoyikiso kwi-orca whale
Nangona ikwinqanaba eliphezulu lezilwanyana ezizingelayo, iminenga ye-orca iye yanesabelo sayo soyikiso. ungcoliseko lolwandle, ngakumbi iikhemikhali ze-organochlorine, zibonakaliswe ukuba zineempembelelo ezinobungozi kwi-orcas, kubandakanywa iingxaki zokuzala kunye nokwanda komngcipheko kwizifo. Ukubotshelelwa kwizixhobo zokuloba kunye nokungqubana nezikhitshane kukwayingozi enkulu.
Ukongeza, utshintsho lwemozulu kunye nokufudumala kwamalwandle kuguqula ukuhanjiswa kunye nobuninzi bexhoba le-orcas, nto leyo echaphazela ukutya kunye nokuphila kwayo. Amanyathelo olondolozo kunye nokukhuselwa kwendawo yokuhlala kubaluleke kakhulu ngoku kunangaphambili ukuqinisekisa ubukho obuqhubekayo bezi zinto zimangalisayo zolwandle.