ubushakashatsi havumbuwe baleine y’amaguru ane yabaga butaka myaka miliyoni ishize
abahanga bushakashatsi bw’ibisigazwa by’amagufa n’imibiri y’ibiremwa palontologues bavumbuye butaka buherereye prou ibisigazwa by’inyamaswa bwoko bw’ibisekuruza ’baleine’ y’amaguru ane ifite ubushobozi kuba butaka mazi amphibie ni ubuvumbuzi bwatumye bashakashatsi babasha kugera mwanzuro w’ubushakashatsi bwabo kumenya uburyo nyamaswa z’inyamabere zavuye buzima kuba butaka zikigira nyanja bivugwa ibisekuruza by’ubwoko bw’amafi manini baleines dauphins yabaga butaka myaka miliyoni ishize gace k’u buhinde pakistan y’ubu aba bashakashatsi baranavumbuye amerika y’amajyaruguru ibisigazwa bituzuye bimaze imyaka miliyoni byatumye batekereza gihe nyamaswa nini mazi zishobora kuba zaratakaje ubushobozi guhaguruka kugenda butakabaleine bumwe bwoko bw’inyamaswa y’amafi manini kandi y’inkazi ziba mazi ubu bwoko bushya bwavumbuwe bwasobanuwe bushakashatsi bwashyizwe hanze n’ikinyamakuru current biology bumaze imyaka miliyoni ndetse bukaba bwuzuza imbonerahamwe igaragaza imihindagurikire volution y’ibi binyabuzima by’ibinyamabere biba mazi byavumbuwe kilometero kimwe uvuye nkengero y’inyanja pacifique ahitwa playa media luna bilometero majyepfo lima umurwa mukuru prou urutwe mandibules rw’iyi nyamaswa rwagaragaye ruhinguka butaka bw’ubutayu gucukura bashakashatsi babasha kuvumbura ibindi bice byose harimo urwasaya hasi mchoire infrieure amenyo urutirigongo imbavu ibice by’amaguru by’imbere n’inyuma kugeza magufwa y’intoki abashakashatsi bavuga bakurikije imiterere y’amagufa y’iyi nyamaswa basanga ifite metero enye z’uburebure bashingiye miterere y’ibisigazwa by’iyi nyamaswa bavumbuye abashakashatsi bavuga yashoboraga kuba yagenda bisanzwe butaka ikaba yanakoga mazi igice kimwe cy’amagufa agize urutirigongo ugana murizo agaragaza ibimenyetso bihuye n’inyamabere z’iki gihe zibasha kuba mazi k’ubutaka mammifres semi-aquatiques loutres udusimba tugira ubwoya bwinshi tubasha kuba mazi butaka olivier lambert inzobere by’ibisigazwa by’inyamaswa kigo siyansi kamere bubiligi institut royal des sciences naturelles de belgique aganira afp olivier lambert akomeza agira turabona inyamaswa ishobora gutangira kugenda ikoresha umurizo koga mazi bikayitandukanya n’imiterere y’izindi kera cyane buhinde pakistanbaleine zisigaye ziba mazi gusa ha mbere ibice baleines y’amaguru ane byari byaragiye bibonwa misiri sahara y’uburengerazuba sngal togo nigeriaariko bisigazwa ntibyabaga bifite ibice byuzuye neza fragmentaires buryo bitashoboraga guhita byemezwa nyamaswa zashoboraga koga mazi olivier lambert akomeza avuga ’ubu bwoko bwavumbuwe bwuzuye baleine bugaragaye hanze y’u buhinde pakistan’ aba bashakashatsi bavuga kuba baleine prou yashoboraga koga mazi loutre bigaragara gushidikanya yambutse inyanja atlantique inyuze gice cy’uburengerazuba afurika igana amerika y’amajyepfo imigabane bivugwa yahoze yegeranye cyane inshuro ebyiri kurusha biri kilometero igihumbi maganatatu km nyamaswa ikaba yarafashijwe gihe n’umuyaga wavaga burengerazuba werekeza burasirazuba bikaba bitandukanye n’ibyari byaragaragajwe baleines zageze amerika zinyuze majyaruguru zigaca groenlandloutre inyamaswa ifite imiterere igereranywa n’iya baleine myaka miliyoni ishize ibasha kuba mazi butaka