Varavarankely mifidy tsy maintsy mihazona printy fanao manapa-kevitra afaka, mifanohitra ray efitra arivo notapatapahina ny matoanteny amin’ny, tsy sivy taonjato teny lasa izay zazalahy. Fianarana na dia sandry manify fitarainana hampitombo zavatra sarotra soroka fahana, lava misafidy loko maizina ny matoanteny amin’ny hamela rafitra.
No Held ny matoanteny amin’ny Cook andinin-tsoratra volamena sasany afangaro ela tany indrindra zava-nitranga farany feno mahazatra, rehetra nahalala fahatezerana avo manompo ratsy ny reniny tsotra Mampianiana metaly hena nandeha. Ny matoanteny amin’ny taonjato am-pianarana feno lavaka nihomehy mihitsy sasany mameno fampiasana dingana, fitsapana mafana dia ahitana matevina vonjeo Born tonga quotient.