There are 3 types of bears.
The honey bear is orange and is usually trapped inside honey blockers. You need to free the honey bears by clearing the honey blockers.
The soda bears is inside a bubble. You need to pop soda bottles to get the soda to rise and make the soda bear float to the top of the board past the candy string.
The green bear is usually hidden behind blockers. You need to clear all the blockers on the green bear to free it. The green bear comes in different sizes.