ScienceDaily Posted May 7, 2021 Share Posted May 7, 2021 Great reed warblers normally migrate by night during its month-long migration from northern Europe to Sub-Saharan Africa. However, researchers have now discovered that during the few occasions when it continues to fly during daytime, it flies at extremely high altitudes (up to 6300 meters). One possible explanation for this unexpected and consistent behaviour could be that the birds want to avoid overheating.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/gL3KL8thH5QView the full article Quote Link to comment Share on other sites More sharing options...
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