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Habitat

Limestone pavement

Slabs of smooth grey rock, incised with deep fissures and patterned with swirling hollows and runnels sculpted by thousands of years of rainwater, form an unlikely wildlife habitat. Look a little…

Species

Sitka spruce

The Sitka spruce was introduced into the UK from North America in the 19th century. It has been widely planted as a forestry tree; look for classic needle-like leaves and pale brown, domed cones…

Species

Japanese knotweed

Introduced from Japan in the 19th century, Japanese knotweed is now an invasive non-native plant of many riverbanks, waste grounds and roadside verges, where it prevents native species from…

Species

Slipper limpet

These non-native limpets arrived from America in the 19th century and are now widespread in the UK. They form stacks and have a specially adapted shell which, when flipped upside down, looks like…

Species

Little owl

Introduced into the UK in the 19th century, the diminutive little owl can now be seen along hedgerows, on farmland and in parkland across England and Wales. It often perches on a pole or rock,…