An air-filled sac within birds' lungs is believed to modify mechanics of flight while soaring

Trending Today on EcoTopical

Texas food banks are rationing meals for flood survivors because of Trump’s cutsGrist
Texas food banks are rationing meals for flood survivors because of Trump’s cuts 129
Why future CSOs must aim for transformation, not mere progressTrellis
Why future CSOs must aim for transformation, not mere progress 126
EcoFlow phase 3 Prime Day Sale takes up to 60% off units + flash sale drops RIVER 2 Pro to new $349 low, Worx, Lectric, Segway, moreElectrek
EcoFlow phase 3 Prime Day Sale takes up to 60% off units + flash sale drops RIVER 2 Pro to new $349 low, Worx, Lectric, Segway, more 121
WWF rethinks conservation after a crisis of its own makingMongabay
WWF rethinks conservation after a crisis of its own making 121
No, corporate sustainability is not dyingTrellis
No, corporate sustainability is not dying 121
Rivian rolling out new navigation system powered by Google MapsElectrek
Rivian rolling out new navigation system powered by Google Maps 112
Solar Generators Are A Major Step Toward Grid ResiliencyCleanTechnica
Solar Generators Are A Major Step Toward Grid Resiliency 111
PHYSorg
Two dead in New Jersey as soaked US northeast braces for more rain 109


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