The more that is learned about the ecological benefits of ----------, the more home gardeners are going out of their way to entice these amazing winged mammals into their neighborhoods. ---------- are voracious insect eaters, devouring as many as 600 bugs per hour for 4 to 6 hours a night. They can eat from one-half to three-quarters their weight per evening. ---------- are also important plant pollinators, particularly in the southwestern U.S.?