We just planted out our cherry tomato seedlings (and basil) into hanging baskets and hung them up at the weekend. Within 24 hours all the tops of the tomato seedlings were gone. Since they are several feet off the ground, we are assuming it is birds. Our other hanging baskets with baby fuscias and geraniums haven't been touched. I have a few more seedlings ready for planting out now - how can I stop whatever it is from finishing off these ones too?