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The National Park Service began emptying the parasite-ridden pool for a thorough cleaning on Sunday.
In a handful of states, the annual surveys of bobwhite, pheasants, rabbits, and other game species provide valuable data for wildlife managers.
The remarkably preserved fledgling, a member of the extinct enantiornithine group, provides new clues into the lives of Mesozoic birds.
In many states, you can direct your utility to buy your electricity from renewable sources—a climate-change action requiring no lifestyle changes.