Migratory songbirds climb to extreme altitudes during daytime
Published 7 May 2021 Great reed warbler (Photo: niclasahlberg.se) 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 unexpect
https://www.lunduniversity.lu.se/article/migratory-songbirds-climb-extreme-altitudes-during-daytime - 2024-11-02