The formation of bile pigments.
D000818:Animals; D001654:Bile Pigments / Q000096:biosynthesis* / Q000378:metabolism; D001663:Bilirubin / Q000378:metabolism; D004285:Dogs; D056890:Eukaryota / Q000378:metabolism; D006454:Hemoglobins / Q000378:metabolism; D006801:Humans; D008322:Mammals
D001654:Bile Pigments; D006454:Hemoglobins; D001663:Bilirubin