Human beings are the only animal that thinks they change who they are simply by moving to a different place. Birds migrate, but it's not quite the same thing. — Douglas Coupland Copy Share Image
“MIGRATION IS ANOTHER TRADE-OFF. Birds that migrate have smaller brains than their sedentary relatives. This makes sense, as a brain that consumes a lot of energy and develops slowly would be too costly for birds that travel a lot.” — Jennifer Ackerman Copy Share Image
