Gut feeling essential for migrating fish

Why do trout spend so much time in potentially dangerous estuaries before migrating to sea? In a new thesis published at University Gothenburg, Jeroen Brijs reveals that the answer may lie in the gut.

'We don't know nearly enough about migration'

In the current issue of the scientific journal Science, which was published today, Frans Willeken, migration expert at the Max Planck Institute for Demographic Research, together with three further experts on migration, summarizes ...

Research duo quantify global human migration numbers

(Phys.org) —A pair of demographic researchers at the Vienna Institute of Demography has quantified for the first time global human migration numbers. In their paper published in the journal Science, Guy Abel and Nikola ...

Migrating animals add new depth to how the ocean 'breathes'

The oxygen content of the ocean may be subject to frequent ups and downs in a very literal sense—that is, in the form of the numerous sea creatures that dine near the surface at night then submerge into the safety of deeper, ...

Cormorants cannot capture the benefits of global warming

(Phys.org)—Even though cormorants seem ideally placed to benefit from global warming, by expanding their breeding range into the far north, the darkness of the polar night is likely to keep them firmly in their place, according ...

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