The common scoter has suffered large declines in the UK, threatening its survival here. Look out for this duck feeding at sea in winter when its numbers are bolstered by migrating birds.

The Black-tailed skimmer is a narrow-bodied dragonfly that can be seen flying low over the bare gravel and mud around flooded gravel pits and reservoirs. It is on the wing from May to August.

The common pond skater can be seen 'skating' over the surface of ponds, lakes, ditches and slow-moving rivers. It is predatory, feeding on small insects by detecting vibrations in the…

Often spotted in large flocks, the fieldfare is an attractive thrush. It is a winter visitor, enjoying the feast of seasonal berries the UK's hedgerows, woodlands and parks have to offer.

The redwing is a winter visitor, enjoying the feast of seasonal berries the UK's hedgerows, gardens and parks have to offer. Look out for the distinctive orangey-red patches under its wings…

This streaky brown bird is a summer visitor to Britain, favouring open woodlands in the north and west.

Crosswort gets its name from the position of its leaves - they surround the stem in groups of four, making a cross shape. The tiny, yellow flowers sit atop these crosses and bloom from April to…