The Royal Society for the Protection of Birds (RSPB) has issued an urgent warning asking people to stop putting out seeds for garden birds from May 1 — but one expert gardener has revealed a clever, healthy alternative to keep birds visiting your garden throughout the year. The bird charity introduced new guidelines which took effect on Friday, May 1 and will stay in place until October 31. The RSPB has warned gardeners, bird lovers and amateur ornithologists against offering birds seeds or