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September 7 2013

Urban creatures found to have bigger brains than their country cousins


A U.S biologist has found human behaviour could be driving the evolution of animals' brains by changing the habitats in which they live.

The research suggests the brains of some animals have got bigger in tandem with the industrialisation of their habitat - making some city animals smarter than their rural peers.

Evolutionary biologist Emilie Snell-Rood discovered white-footed mouse and meadow voles living in cities, had on average brains that were six per cent larger than the brains of animals collected from farms in the countryside.

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