Even a tiny pond will benefit a lot of animals. Small ponds are fantastic for water boatmen, pond skaters and bathing house sparrows.
Dragonfly larvae usually prefer bigger ponds but don't always stick to the 'rules'.
Likewise, some amphibians, particularly common toads and great crested newts, prefer to breed in large ponds. Typically, toads are thought to prefer ponds that are at least 20 metres in diameter. Frogs and other newts will lay spawn in much smaller areas - ponds that are one to two metres across can prove very popular.
A pond of any size will help amphibians to keep cool and moist in summer, as well as benefiting other local wildlife.
Create whatever size pond you are happy with and something will enjoy it.
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