The Johnston & Jeff Black Oil Sunflower Seeds are an ideal food for the little flying visitors. Give these wild birds a tasty, healthy treat in the form of black oil sunflower seeds to keep them active for their daily endeavours. This is a high-energy food source for small birds like chaffinches, tits, sparrows, yellow hammers, and a variety of other species as well. It's been triple screened, air washed and comes with added vegetable oil for a taste they won't be able to resist.