Japanese author and animal researcher Masanori Hata, who frequently appeared on television shows about animals and was better known by his nickname "Mutsugoro," died Wednesday of a heart attack, his family said. He was 87.He founded a facility called "Animal Kingdom" in Hokkaido in northern Japan, where he lived with various animals including dogs and bears. A TV program featuring his life with animals became popular in the country, airing for more than 20 years from 1980.Born in the city of Fukuoka in southwestern Japan, Hata graduated from the University of Tokyo's School of Science. He l…READ FULL ARTICLE