Pine Tree Farms Black Oil Seed Cake 2 lb. Catalog Bird and Wildlife Wild Bird Food Birdseed Blocks, Bells, Logs & Wreaths Pine Tree Farms Black Oil Seed Cake 2 lb. Manufacturer : Pine Tree Farms Wild Bird Feeding Products Description Developed for year-round feeding. Each Large Seed Cake consists of the finest seeds and nuts to attract a variety of wild birds. Rates Please contact us for current pricing and availability.