It has rings on its tail and black tufts of fur coming out of its ears .
The coloring of Wied 's marmoset is mostly black , with white markings on cheeks and forehead .
Wied has rings on Wied 's tail and black tufts of fur coming out of its ears .
The coloring of Wied 's marmoset is mostly black , with white markings on cheeks and forehead .