I have many robins throughout the garden, and they have distinct boundaries, but with at least four pairs in the garden I have to spread the food into several zones, I bought coconuts filled with seed and fat which seem to be very popular, and have already half emptied all four of them. the mealworms are also very well liked, and they go so fast, gobbled up by the first comers and the bravest, Blackbirds, nuthatches, robins, sparrows, wrens and tits. the greenfinches don't seem to want them though, so that is a bit of good neews, as they scoff most things faster than I can put them out. I have thought of putting suet out, but I don't know if that is safe or not. I find dried fruit popular too, and if I have some fresh fruit tha is going soft I chop that up for the birds, and the Blackbirds, Thrushes and starlings go mad for those. Nina.