<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.uchunguzi wa awali umeonyesha kwamba idadi ya ndege waliopatikana waliokufa wanahitaji kuwa iliongezeka kwa angalau mara saba - na labda kama vile mara mia kadhaa - kupata makisio ya chini ya idadi jumla ya waliokufa.  <response>: previous studies have shown that the number of birds actually found dead needs to be multiplied by at least seven times-and possibly as much as several hundred times-to find the minimum estimate of the total numbers dead. 