Even though he only weighs about 3 lbs., Quanah gives my left arm a workout! Did you know Turkey Vultures are big conservationists?  From their dihedral flight, to their urohydrosis (they pee on their legs) method of cooling, to dropping their body temperature up to 11 degrees (F) over night, to absorbing heat with their built in "solar-panels" (like Quanah is doing in the pic), their methods seem to focus around energy conservation.  If only they could teach the rest of us!