Maererano nevatsvakurudzi, kamba dzemvura dzinenge dzichikurukurirana dzinokurukurirana uye nevana vadzo dzichishandisa kanenge 6 mhando dzemanzwi.
Achishandisa maikorofoni nemahydrophone, masayendisiti akakwanisa kurekodha manzwi anopfuura 250 aiitwa nekamba dzemurwizi. Podocnemis yakawedzera. Vakabva vaaongorora mumhando nhanhatu dzaienderana nemaitiro chaiwo ekamba.
"Zvinorehwa nemanzwi aya hazvina kujeka ... Zvisinei, tinotenda kuti turtles dziri kuchinjana ruzivo," akadaro Dr. Camila Ferrara, uyo akatora chikamu muchidzidzo. "Tinotenda kuti ruzha runobatsira mhuka kuronga maitiro adzo panguva yekukandira mazai," akawedzera Ferrara. Mitsindo yaibudiswa nekamba yaisiyana zvishoma zvichienderana nezvaiitwa nemhuka panguva iyi.
Somuenzaniso, kamba yaiita ruzha chairwo vanhu vakuru pavaishambira vachiyambuka rwizi. Apo dzimwe kamba dzakaungana pamhenderekedzo paigadzirwa mabatiro, iye akaita ruzha rwakasiyana. Maererano naDr. Ferrara, nguruve hadzi dzinoshandisa ruzha kutungamirira vana vadzo vachangochochonywa mumvura uye kudzokera kumhenderekedzo. Sezvo kamba dzakawanda dzichirarama kwemakumi emakore, masayendisiti anoti muupenyu hwadzo, nguruve diki dzinodzidza kukurukura dzichishandisa manzwi ehama dzine ruzivo.
Uye kamba yokuSouth America ine mitsindo inopfuura 30: vechiduku vamwe navamwe vanorira nenzira inokosha, varume vakuru, pakupfimba hadzi, vanorira sesuo risina kubviswa; Kune manzwi akakosha ese ekujekesa hukama uye nekukwazisa kwehushamwari.
Zvisikwa zvakasiyana zvinotaurirana zvakasiyana. Mamwe marudzi anokurukura kakawanda, mamwe asingawanzo, mamwe ane ruzha, uye mamwe akanyarara. Gora, matamata, mhuno yenguruve uye mamwe marudzi ekamba eAustralia airatidza kutaura zvakanyanya.
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