This dainty seaduck is a winter visitor to our coasts, particularly in northern and eastern Scotland.

Sika deer were introduced to the UK in the 19th century. They are native to eastern Asia.

An uncommon hedgerow and woodland tree of central and eastern England, purging buckthorn displays yellow-green flowers in spring, and poisonous, black berries in autumn.

Water mint grows in damp places and has aromatic leaves that can be used to flavour food and drink. Gathering wild food can be fun, but it's best to do it with an expert - come to a Wildlife…

Water-plantain is an aquatic plant of shallow water and muddy banks. In bloom over summer, it displays tall branches of loosely clustered, pale lilac flowers.

Cotoneaster was introduced to the UK in 1879 from Eastern Asia as an ornamental plant. It is now an invasive non-native species which is taking over valuable habitats including limestone…