“In order to attract the widest possible mix of wild birds to  bird feeders, it's important to have a range of different types of feeder. Basically, these can be split into four types: bird feeders for peanuts, for bird seed, for niger seed and bird feeders for soft foods. So one each of these bird feeders plus a cage for suet blocks, should ensure you maximise the number of different species of wild bird you can attract to your garden bird feeder.” - Bill Oddie