Ornithologist and zoologist. The eldest son of KURODA Nagashige, he graduated from the Imperial University of Tokyo and its graduate school, and received his doctorate of science in ornithology. In 1939, he took over as head of his family, becoming a marquis and a member of the House of Peers. Since 1940, he served as a hunting officer in the Ministry of the Imperial Household and a hunting investigator in the Ministry of Agriculture and Forestry. He founded the Mammal Society of Japan and the Biogeographic Society of Japan, and served as president of the Ornithological Society of Japan from 1947 to 1963.