The vulturine guinea fowl’s electric blue feathers are not pigments. (Image: Canva) Vulturine guinea fowl's blue feathers come from microscopic structures, not pigment. Feather patterns help flock ...
On the open savannas of East Africa, a flock of vulturine guinea fowl looks almost unreal. Bodies are patterned with crisp black and white lines. Chests and backs glow a deep, cobalt blue. Against the ...
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