If a grebe is found grounded on land, what is often necessary before it can successfully fly again?

Answer

Time on the water to rebuild necessary muscle strength.

If a grebe arrives injured or exhausted, such as after strong weather, it needs time on a body of water to regain the muscle fitness required for a successful, energy-intensive flight.

If a grebe is found grounded on land, what is often necessary before it can successfully fly again?
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