摘要: This chapter deals with the range, direction and pattern of diurnal movements nocturnal passerine migrants at stopovers. Contrary to popular assumption, these are shown not be directed generally towards goal migration, but purely habitat-related. The results original studies territoriality vs. broad stopovers reported together critical re-analysis literature data. I discuss benefits pitfalls visual observations marked individuals, capture-recapture radio tracking. also analyse an ambiguous impact current fuel stores on spatial behaviour songbirds stopover. main factor that governs use stopover is distribution food, clumped versus relatively uniform. If food uniformly distributed in space predictable time, occupy sometimes defend small home ranges. species whose preferred varies broadly make more often than not.
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