Zugunruhe definitions

Zugunruhe

1) German biological term
Found on https://www.crosswordclues.com/clue/zugunruhe

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Zugunruhe

Seasonally occurring restlessness that may result in the need to migrate.
Found on http://earthdesign.ca/dict.html

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Zugunruhe

Zugunruhe (pronounced ˈtsuːkˌʔʊnʁuːə) is a German compound word consisting of Zug (move, migration) and Unruhe (anxiety, restlessness). In ethology it describes anxious behavior in migratory animals, especially in birds during the normal migration period. When these animals are enclosed, such as in an Emlen funnel, zugunruhe serves to stud...
Found on http://en.wikipedia.org/wiki/Zugunruhe

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Zugunruhe

A German term for the nocturnal restlessness that caged migratory birds exhibit when they are ready to migrate. Also known as migratory restlessness.
Found on https://academy.allaboutbirds.org/bird-academys-a-to-z-glossary-of-bird-ter

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