Found along the coast all year-round, the dunlin is a small sandpiper that breeds and winters in the UK. It can be seen in its upland breeding grounds in summer, when it turns brick-red above and…

Freshwater pearl mussels spend their adult lives anchored to the river bed, filtering water through their gills and improving the quality of the water for other species.

Chwiliwch am yr adar tal, gydag edrychiad cynhanes yma, yn sefyll yn dal fel delwau ar lan pyllau a llynnoedd, yn meddwl am eu pryd bwyd nesaf.

Violet ground beetles are active predators, coming out at night to hunt slugs and other invertebrates in gardens, woodlands and meadows.

Meadow buttercup is a tall and stately buttercup, with buttery-yellow flowers that pepper meadows, pastures, gardens and parks with little drops of sunshine.

Found in compost heaps and under stones in gardens, the flat-backed millipede is a common minibeast. It is an important recycler of nutrients, feeding on decaying matter.

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…