Nordafrikanische Rothalsstrausse (Struthio camelus camelus) - Zoos bringen sich stark in den Schutz dieser Tiere ein. | Foto: MathKnight, Lizenz: CC BY-SA 3.0

Why is it that some birds can´t fly?

Published on the Facebook page Constantly Curious the 19.12.2018.

Birds, who cannot fly? This seems to be a paradox, in nature however we can find many and this video colourfully explains why this is the case.

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