Parrots are known for their bright feathers, sharp intelligence, and emotional bonding with humans. So when a parrot starts pulling out its own feathers, the sight can feel heartbreaking and confusing ...
Parrots’ plumage dazzles with feathers in fiery reds, ostentatious oranges, luminous yellows, and verdant greens. Scientists have now discovered the molecular mechanism that controls these four colors ...
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