Migratory species live fast, die young: study – Macau Business

Migratory birds and mammals that expend lots of energy travelling long distances to chase food or find a choice nesting spot tend to live fast and die young, scientists reported Tuesday.
In a study published in Nature Communications, researchers found that migratory animals have a shorter lifespan than their homebody counterparts.
But they compensate by having more offspring in less time. 
Analysing over 700 birds and 540 mammal species, the study determined that from an evolutionary standpoint,…

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