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WOODPECKERS.
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flight," observes Mr. Yarrell, "sufficient to transport the bird from tree to tree, are all that it
![Great Spotted Woodpecker](http://upload.wikimedia.org/wikipedia/commons/thumb/8/89/Natural_History%2C_Birds_-_Woodpecker.jpg/400px-Natural_History%2C_Birds_-_Woodpecker.jpg)
GREAT SPOTTED WOODPECKER.
seems to require: large pectoral muscles, with a deep keel to the breast-bone, would to this bird be an inconvenience. The advantage of a narrow, shallow keel is immediately apparent, on looking