Migration and Nomadism: Tracking Energy Sources
A mobile animal has the advantage of being able to escape harsh conditions and seek out momentarily favourable sites (Riechert 1979; Farrow 1990). Nomadism is a strategy traditionally employed by desert tribes and their grazing domestic animals, and among wild animals is more characteristic of vertebrates, especially birds and large mammals, than it is of invertebrates. However, some desert invertebrates also track shifting environmental resources.
KeywordsMigration Dust Convection Milling Settling
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