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Feathers Evolved To Provide Extraordinary Functions

June 22, 2013
By Robert M Ungerer ( , The Post-Journal

When one is described as having "a feather in one's cap," a commendable and distinctive accomplishment has been earned. The feather, today unique to the animal group, birds, evolved to enable birds to flourish. Therefore, the feather represents a vital structure worthy of awe and praise.



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