Lyric Nyjer Seed Wild Bird Seed Finch Food Bird Seed, 10 lb. Bag Nyjer is a popular winter bird food as it's higher in calorie content. Birds need food high in oil with more calories to help them store fat to survive the cold weather. Nyjer is a type of oilseed. When sterilized during processing, it will not sprout if spilled which also makes it very popular with birders. Features Finch favorite Attracts all types of finches, including American Goldfinches, Purple Finches, House Finches and Pine Siskins Carefully selected and cleaned USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.