But during the rolling process, some are meticulous workers, others cut corners; they adopt different approaches and show different levels of technical skill in adressing problems; and there are differences between the way individual weevils carry out different stages of the process, suggesting that something more is at work than a mere mechanical response.
可是，在折來捲去的過程中，有些個體比較馬虎，有些比較認真，碰到困難時，應對方法的靈巧程度也有差別，而且不同的象鼻蟲製作「育嬰搖籃」時，在某些階段會有明顯差異，並不完全是機械化的反應動作而已。