This blend is primarily formulated for finches, finch blends may also attract other small songbirds such as sparrows, buntings, and chickadees, providing a diverse feeding experience in your backyard. Recommended to offer this product in finch feeders and finch socks. Fortified with vitamin A and D3 to aid growth, reproduction, feathering, and bone development. Calcium added for improved digestion, bone strength, and eggshell development.