Takeoff in thin air

The birds we saw at high elevations in Bolivia were largely unfamilliar to me - likely largely simply my ignorance, but I wondered if they were also specially adapted to the high altitude, where aerodynamics work a bit differently...
— The birds we saw at high elevations in Bolivia were largely unfamilliar to me - likely largely simply my ignorance, but I wondered if they were also specially adapted to the high altitude, where aerodynamics work a bit differently...

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By Ground Truth Trekking

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