Why San Francisco Birds Are So Fat
But after considering the science, it seemed that the warming of the globe would make birds smaller, not bigger. So again, we are left to piece together the mysterious girth gain. But it seems rather clear to us why our local birds are packing on the pounds, based on these two photos alone.
|stevendamron via Flickr|
|photo by Tim Wayne, Creative Commons CC-by-SA|
|You have two wings ... use them!|
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