The orderly movement of melanocytes from one site to another, often during the development of a multicellular organism. A melanocyte is a pigment cell derived from the neural crest. It contains melanin-filled pigment granules, which give a brown to black appearance. [ http://www.ncbi.nlm.nih.gov/pubmed/22637532 http://purl.obolibrary.org/obo/CL_0000148 GOC:uh ]