Singapore busts reveal loss of 38,000 endangered pangolins
The scales, linked to four types of pangolin in Africa, would have together come from 38,000 pangolins.
The latest shipment was found on April 8 in a shipping container on its way from Nigeria to Vietnam which was labelled as "cassia seeds", a statement from the National Parks Board, Singapore Customs and the Immigration and Checkpoints Authority said on Wednesday.
The scales were packed into 474 bags.
On April 3, Singapore authorities discovered 12.9 tonnes of scales, shipped as "frozen beef", hidden in another container on its way from Nigeria to Vietnam.
That shipment also included 177kg of cut up and carved elephant ivory, said the authorities.