I'm going to assume you will not read these links, which is really too bad, because they contain something that creationists claim doesn't happen in science -- an instance in which a well established "fact" is overturned by lots of research and careful reasoning.
Of course this doesn't change the larger fact that species is a fuzzy concept with not much basis in biology. Or that evolution progresses by tiny changes, so that transitions cannot be seen in human time scales.
You cannot see the relevance of the color gradient, apparently because you have been lied to about how evolution works. You have gotten too much of you education about evolution from Hollywood movies.
Haven't we all?
Where is the equivalent of punk-eek on your spectrum?
Many E folk still say this is a valid portion of the ToE.