What else is the common housefly attracted to besides excrement?

 

"And while not interested in biting (the fly doesn't have the equipment for that), the common housefly, or musca domestica, does want to suck up the salt, dead skin, oil and whatever they find edible on the exposed epidermis [of Donald Trump's cheek] with its straw-like tongue."

Photo by Jeenah Moon, Reuters