They are small and black, rich in fat and using a substantial oil information. They are doing require a special variety of seed feeder even so. They are a certain favourites with goldfinches and siskins and therefore are well-known with tits, greenfinches, household sparrows, nuthatches and wonderful spotted woodpeckers http://cesarcmvfo.pointblog.net/The-best-Side-of-pet-shop-dubai-marina-32347936