F.M. Brown's Song Blend Dark Oil Sunflower Seeds for Pets, 20-Pound High In Fat, Protein & Fiber Triple-Cleaned, Filler-Free & All-Natural The #1 Seed Choice for Birds & Birders Alike High In Fat, Protein and Fiber Triple-Cleaned, Filler-Free and All-Natural The No.1 Seed Choice for Birds and Birders Alike High In Fat, Protein and Fiber Triple-Cleaned, Filler-Free and All-Natural