teal vs. turquoise

any of several species of small dabbling ducks, of worldwide distribution, usually traveling in tight flocks and frequenting ponds and marshes.

Also called teal blue. a medium to dark greenish blue.

Also turquois. an opaque mineral, a basic hydrous copper aluminum phosphate often containing a small amount of iron, sky-blue or greenish-blue in color, cut cabochon as a gem.

Also called turquoise blue. a greenish blue or bluish green.