These are stock movie prop heads, made of goatskin and fur, are made in Ecuador 

These shrunken heads are made by a tribe in Ecuador, they are made from goatskin and fur and prepared in a traditional way. 

A shrunken head, also known as tsantsas, is a severed and specially prepared human head that is used for trophy, ritual, or trade purposes.  

The practice of preparing shrunken heads originally had religious significance; shrinking the head of an enemy was believed to harness the spirit of that enemy and compel him to serve the shrinker. It was said to prevent the soul from avenging his death.