Adaptation Quote by August Krogh

To speak of this subject you must... explain the nature of the resistance of the air, in the second the anatomy of the bird…

— Leonardo da Vinci

There is an ecstatic mechanism in birds that makes them fly upwards in spite of worms.

— Lawrence Ferlinghetti

Birds are the most accomplished aeronauts the world has ever seen. They fly high and low, at great speed, and very slowly. And always…

— David Attenborough

As you know, birds do not have sexual organs because they would interfere with flight.

— Dave Barry

“MIGRATION IS ANOTHER TRADE-OFF. Birds that migrate have smaller brains than their sedentary relatives. This makes sense, as a brain that consumes a lot…

— Jennifer Ackerman

Birds learn how to fly, never knowing where flight will take them.

— Mark Nepo

Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

— Carl Sagan

If a bird is flying for pleasure, it flies with the wind, but if it meets danger it turns and faces the wind, in…

— Corrie Ten Boom

Birds have wings; they're free; they can fly where they want when they want. They have the kind of mobility many people envy.

— Roger Tory Peterson

A bird only flies. It does not turn to another bird and ask, am I doing this right?

— Mary Anne Radmacher

If you want to fly like a bird , you must have a beak at least , if not speaking about wings.

— Mohammad MUSTAFA

“Take the emptiness you hold in your arms And scatter it into the open spaces we breathe. Maybe the birds will feel how the…

— Rainer Maria Rilke