First Nature Oriole Nectar, 16-Ounce Concentrate. A Special Solution of the Perfect Oriole Sugars. Easy To Use, Just Add to Water. Simply Amazing Results. First Nature Nectar is a premium concentrate that ends the mess of feeding Orioles. No granulated sugars or dry mixes to spill, no boiling water, no sticky cleanup. Easy to use, and it really draws the birds. Just mix one part First Nature Concentrate to four parts water. The 16 ounce concentrate bottle makes 80 ounces of nectar. Scientific studies have repeatedly shown that Orioles prefer sucrose to the monosaccharide?s glucose or fructose. Knowing this, First Nature Nectar uses the finest food-grade sucrose and not less effective invert sugars found in other products. Not only is First Nature Nectar the easiest Oriole food to use, it's also the most healthy choice for these colorful visitors. You?ll be astounded at how Orioles respond.