The term 'white-skinned animal' can be summarized by the crossword solution 'albino, ' which is a six-letter word. An albino is an organism with a congenital absence of pigment in its skin, hair, and eyes. Albinism is caused by a lack of melanin, which is a pigment responsible for the color of skin, hair, and eyes. Albinos are typically found in mammals, birds, reptiles, amphibians, and fish.