They normally give birth to twins. Cubs are born blind, hairless, and with nearly transparent skin. The cubs stay with their mother until they are almost full grown. Adult bears are usually solitary , but sun bears are often seen foraging in pairs. Apparently, adult males are even allowed to accompany mother and cubs. .
Some people say a sun bear is the most dangerous animal a human can encounter in the jungle.
Natives claim that even a tiger will leave a sun bear alone. A sun bear bitten by a tiger could turn around in its loose skin and bite back. Sun bears are even said to attack without cause, a rare behavior among animals. Reports of sun bear ferocity may be exaggerated. Certainly, sun bears are no match for people in the long run.