I have wondered if his ability to spot certain animals is connected (he is less fooled by camouflage than most), becasue that seems like a more evolutionarily-useful skill that isn't very different. And I wonder if this is somehow an expression of asynchrony or "thinking different" caused by an unusual developmental progression.
I don't know if this is related, but my brother and my uncle are two of the best animal-spotters I have ever seen. Both of them are color blind (as was my grandmother - very unusual). I have read that people with color blindness are better at spotting outlines, because they depend less on color - apparently the Army used color-blind soldiers for this purpose in WWII?
