blog posts Why aren’t there mammals in super-vivid colors like there are birds and bugs? May 17, 2021 10:00 am by GizmodoIllinois in the News Share on Facebook Tweet Email Images Gizmodo (May 17) There are, says Illinois Professor Mark Hauber. 'These vary from the blue-red-yellow facial and anal regions of male mandrills to...the deep orange pelage of the golden lion tamarins and the algal-green fur of long-lived sloths.' Share on Facebook Tweet Email