Despite their impressive size, Great Blue Herons weigh only 5 to 6 pounds thanks in part to their hollow bones—a feature all birds share.
Great Blue Heron Perched in a Pine Tree
PHOTOS BY LISA COMER
PHOTOS BY LISA COMER
Despite their impressive size, Great Blue Herons weigh only 5 to 6 pounds thanks in part to their hollow bones—a feature all birds share.
IN MY VIEWFINDER 
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