SANDAKAN, June 26 -- The Borneo Sun Bear Conservation Centre (BSBCC) is mourning the loss of its oldest resident, Amaco, who has died at the age of 33.

BSBCC founder and chief executive officer Dr Wong Siew Te took to sharing the news on Facebook "with a heavy heart" following Amaco's passing on June 24.

He said Amaco's health had been declining in recent weeks, with symptoms including poor appetite, weakness and difficulty standing.

He added that blood tests showed worsening kidney function and anaemia prior to his death.

According to Dr Wong, BSBCC keepers found that Amaco had died peacefully on the morning of June 24, during routine checks.

A post-mortem later revealed significant congestion in his lungs and liver, suggesting his ...