Human Activity is Causing Wildlife to Shrink

 

Photo: puuikibeach / cc

In a world increasingly dominated by humans, it seems there's less and less room for just about everything else -- so to cope, animals and plants across the globe are gradually getting smaller. For centuries, human activities such as hunting and encroachment have made life difficult for the largest species, from mammals and fish to insects and trees, leading to an evolutionary trend towards the miniature. And researchers suggest that unless countermeasures are taken to ensure 'big' makes a comeback -- we may be heading towards a world of tinier and tinier creatures.

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