Iimpawu ezibonakalayo zomnenga obulalayo
I-Orcas iguquguquka ngendlela emangalisayo kwaye iphakathi kwezona zilwanyana zanyisayo zinamandla kwaye zikhawulezayo elwandle. Umzimba wayo oqinileyo kunye nolungelelwaniso, ophakathi kwe-6 ukuya kwi-8 yeemitha kubasetyhini kunye ne-7 ukuya kwi-9 yeemitha kumadoda, iqinisekisa ukuqubha okusebenzayo kunye nokukhawuleza. Iinkcukacha ezimangalisayo kwinkangeleko yayo ngumbala omnyama-mhlophe owahlukileyo, odlala indima ebalulekileyo ekuzingeleni, okwenza kube nzima ukuwubhaqa.
Ukongezelela, iminenga ebulala amadoda idume ngamaphiko ayo amakhulu, anokufikelela kwiimitha ezisisi-1.8 ubude. Olu luphawu olucacileyo olubonakalayo kwezi zilwanyana. Kwelinye icala, iimazi zinamaphiko amancinane nagobileyo.
Iindawo zokuhlala kunye nosasazo lwejografi
Iminenga ebulalayo ziicosmopolitans zokwenyani zolwandle; Ziye zabonwa ukusuka kumanzi abilayo eArctic naseAntarctic ukuya kumanzi ashushu, ashushu eikhweyitha.
Nangona isasazwa kakhulu, iminenga ebulalayo ibonisa ukukwazi ukuziqhelanisa ngendlela emangalisayo nendalo ephilayo yaselwandle. Abemi baselunxwemeni kunye nesiqithi baye bachongwa, ngelixa abanye be-pelagic ngakumbi, abahlala emanzini avulekileyo olwandle kude namanxweme.
Ukutya kunye neendlela zokuzingela
Orcas baziwa ngokuba Amarhamncwa yoyikeka. Ukutya kwabo kuyahluka kwaye kubandakanya inani elikhulu lamaxhoba aselwandle, kubandakanya intlanzi, isquid, izinja zolwandle, iipenguins kunye neminye iminenga. Olu luhlu lubanzi lokutyisa lunokwenzeka ngenxa yobuchule babo bokuzingela beqela obuphambili, obufana nobo busetyenziswa ngamaqela eingcuka.
Ubuchule obusetyenziswayo buyohluka ngokuxhomekeke kwixhoba. Ukuzingela iintlanzi, ngokuqhelekileyo basebenzisa ubuchule be-rodeo kunye nokubamba izitywina bahlala bezikhangela phezu komhlaba baze bazibethe ngomsila wabo ukuze babambe.
Ukuziphatha kunye nesakhiwo sentlalo
Iminenga ebulalayo zizilwanyana zentlalo kakhulu kwaye zihlala kumaqela amakhulu eentsapho ezibizwa imihlambi. Ezi pakethe zihlala zikhokelwa ngabasetyhini abadala, ngokuqhelekileyo umama okanye umakhulu wamalungu amaninzi eqela.
I-Orcas zizilwanyana ezikrelekrele kakhulu kwaye zibonisa iintlobo ngeentlobo zokuziphatha ezinzima kwaye ngamanye amaxesha ziyamangalisa. Ukongeza, baziwa ngokukwazi kwabo ukufunda kunye nokufundisa iindlela zokuzingela kumantombazana amancinci.
Izisongelo nolondolozo
Ngaphandle kokuba lixhoba eliphezulu, i-orcas ayikhululekanga kwizisongelo. Eyona nto iphambili ibandakanya ukulahleka kwendawo yabo yokuhlala ngenxa yokutshintsha kwemozulu, ukungcoliseka kwamanzi, ukuncitshiswa kwamaxhoba abo ngenxa yokuloba ngokugqithisileyo kunye ne-acoustic trauma ngenxa yomsebenzi wabantu elwandle.
Imibutho noorhulumente abahlukahlukeneyo bazama ukukhusela ezi zilwanyana zibalaseleyo ngokumisela imithetho efanelekileyo nokufundisa uluntu ngokubaluleka kokulondolozwa kolwandle. Kubalulekile ukukhumbula ukuba, nangona inyanzelisa, iminenga ebulalayo idlala indima ebalulekileyo kwi-ecosystem yolwandle kwaye ukhuseleko lwayo lubalulekile ekugcineni impilo yolwandle.