Migrating birds may use slope of Earth’s magnetic field as ‘stop sign’
Eurasian reed warblers migrate to sub-Saharan Africa each year – and they seem to use the slope of Earth’s magnetic field to judge when they..
https://www.newscientist.com/article/2306264-migrating-birds-may-use-slope-of-earths-magnetic-field-as-stop-sign/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
https://www.newscientist.com/article/2306264-migrating-birds-may-use-slope-of-earths-magnetic-field-as-stop-sign/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
