![]() ![]() The netting must therefore either have a small enough mesh size (2.5cm to make sure it is small enough not to trap the bird), or be at least 60cm above the water. A heron can put its neck through mesh that is 5cm knot to knot, and it has a reach of 60cm. Solution: Netting can provide a cost-effective heron-proof solution if carefully designed and maintained. ![]()
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