Uretse muri iyi pariki y'igihugu ya Nyungwe, inzovu zo muri pariki Nasiyonali y'Akagera zazanywe mu mwaka w' 1975 zivanywe mu Bugesera, icyo gihe zari zikiri nto, gusa muri izo nzovu twavugamo nka Mutware, Helico na Mwiza kuko ari zo zashoboye kumenyera ariko izindi ziguma ari inyamaswa z' ishyamba.