Sangeetha Pulapaka
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Penguins have dark and white  layers of feathers covering their bodies which protect them from being seen by their predators as they swim. When a predator like a leopard seal looks up from below, it will have trouble seeing the white penguin belly against the bright water surface. If it looks down from above, the dark penguin’s back will be hard to see against the gloomy ocean depths. Therefore, to stay safe, penguins have to wear their black and white tuxedo suit wherever they go – and be sure to never swim upside-down!


According to Antonio Fernandez, a senior aviculturist, who has been working with penguins for 18 years, more than half of the species have colored feathers either on their head or on their bodies. Rockhopper and Macaroni penguins, for example, have yellow or orange feather crests that look like wild tufts of hair, while Emperor and King penguins are marked with yellow and orange patches on their heads, necks, and chests. So, no penguins do not have hair! Here is a picture of a Rockhopper Penguin.


http://www.gwinnett.k12.ga.us/CooperES/Teacher_Websites/Watson_Web/media_festival/JenniferKuschovschi/jennifermacaronipenguin.html