I noticed there were bugs coming in the back door at my parents. I showed a toddler and we knelt down to look at them. There were green and red ladybirds, slugs, snails and spiders. They were crawling from the doorstep under some spiders web. I felt I needed to contain them and put a clear polythene frame over them, the last inch of the frame had sticky tape to attach it to the floor. It pulled around the feet and did not stick to the kitchen carpet.
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Two slugs escaped and two snails who were apparently acting like a border patrol went after them. One of the garden snails caught up with a slug, the slug twisted around and bit the head of the snail. The snail was much larger and fought back consuming the slug. The second slug was also eaten by the snail. The Ladybirds had lined up inside the polythene frame like soldiers on parade.