The dark-blue flowers of Common milkwort pepper our grasslands from May to September. It can also appear in pink and white forms.

The delicate, tube-like, violet-blue flowers of Skullcap bloom from June to September in damp places, such as marshes, fens, riverbanks and pond margins.

A summer visitor, the willow warbler can be seen in woodland, parks and gardens across the UK. It arrives here in April and leaves for southern Africa in September.

A small and delicate plant of chalk grasslands, Fairy flax can be seen in bloom from May to September - look out for its nodding, white flowers.

The Azure damselfly is a pale blue, small damselfly that is commonly found around most waterbodies from May to September. Try digging a wildlife pond in your garden to attract damselflies and…

The metallic-green Emerald damselfly can be seen from June to September around ponds, lakes, ditches and canals. Unlike other damselflies, it holds its wings half-open when perched.

From spring, look out for the beautiful, speckled gold-and-black breeding plumage of the golden plover. It can be found in its upland moorland breeding grounds from May to September, moving to…