He found that a large percentage of the offspring exhibited
Zugunruhe (Zug is German for 'move' and Unruhe means 'anxiety' or 'restlessness.' The term is used to describe the anxious behavior in migratory animals) from migratory as well as resident parents.
His publisher describes Skoog's impulse as "
Zugunruhe," a German compound word for "the restless behavior of animals prior to migration" and, as the zealous back cover copy adds, "a metaphor for poetry as a propulsive behavior that keeps the mind on the move." Like wildebeests, these jittery poems wander far but with a sense of discipline, unified by anxiety.