Fill your pond. Nutrient build-up Excess nutrients can cause imbalances in a pond. Whilst these birds have their place, they can create significantly impact on ponds and pond wildlife when present for long periods in any large numbers. Action How to build a pond A wildlife pond is one of the single best features for attracting new wildlife to the garden. Fish Even small numbers of tiny species of fish like stickleback can significantly reduce the wildlife value of a pond and effectively remove breeding great crested newt.
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