Migratory birds are known for their ability to traverse thousands of kilometres to reach their breeding or wintering grounds. Research found that these birds, in this case, Eurasian reed warblers ...

Birds don’t carry smartphones under their wings. When they migrate, GPS isn’t telling them exactly when to turn left and right, or when they’ve “arrived” at their final destination. Instead, they ...

Informing how birds know when and where to stop migrating, researchers using nearly a century’s worth of data report that the Eurasian reed warbler – a songbird that migrates between sub-Saharan ...

II. MAGNETIC disturbances are closely connected with the Auiroræ; while in temperate zones they are the exception, they form the rule in Arctic regions, at least the instruments are almost in constant ...

AN account of a minute magnetic survey of a small district in Baden, adjacent to the Rhine, where there is considerable local magnetic disturbance, has been received from the author.1 Observations of ...