National Audubon Society Signature Harvest wild bird foods were designed to help birds and people live side by side in the beautiful outdoor environments we share. Signature Harvest foods represent the highest quality available for our songbird companions while remaining economical enough to enable year-round feeding, which enhances the health of our local birds. National Audubon Society 10-lb Deluxe Blend Wild Bird Seed Ready-to-Use Bird Seed | 009487