The all-black carrion crow does not nest in colonies like the similar rook. It can be seen almost everywhere.

A bushy brown seaweed that appears bright blue underwater.

Wild carrot does, indeed, smell of carrots, but the roots are not like our cultivated, dinnertime favourite. Look for this umbellifer on chalk grasslands and coasts.

White dead-nettle does not sting. It displays dense clusters of white flowers in whorls around its stem, and can be found on disturbed ground, such as roadside verges.

Red dead-nettle does not sting. It displays dense clusters of pinky-red flowers in whorls around its stem, and can be found on disturbed ground, such as roadside verges.

The yellow wagtail can be spotted running about, chasing insects on lowland damp marshes and meadows during summer. As its name suggests, it does wag its tail!

The disc-shaped leaves and straw-coloured flower spikes of Navelwort help to identify this plant. As does its habitat - look for it growing from crevices in rocks, walls and stony areas.