هل الدببة القطبية بيضاء اللون حقاً ؟

هل تعلم أنك عندما ترى الدببة القطبية باللون الأبيض فإنك غالباً ما تظن أن لون فرائها أبيض، والحقيقة هي أن فراء الدببة القطبية شفافة، ولكنها تعكس الضوء المرئي؛ فلذلك تظهر باللون الأبيض، والحقيقة الأكثر غرابة هي أن جلد الدببة القطبية لونه أسود !

المصدر

mnn.com

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