Fat hen is a persistent 'weed' of fields and gardens, verges and hedgerows. But, like many of our weed species, it is a good food source for birds and insects.

The jackdaw is a small, black-capped crow of woodlands, parks, towns and coast. It is a well-known thief, stealing other birds' eggs and breaking into garden feeders.

This charming little warbler is an increasingly common sight in autumn, when migrants pass through the UK.

Despite being considered a 'weed' of cultivated ground, the seeds of the Creeping thistle provide an important food source for farmland birds, many of which are declining rapidly.

This beautiful moth is often found resting on leaves, though it does also fly during the day.

The linnet can be seen on farmland and heathland across the UK. But, like so many other farmland birds, linnets are declining rapidly, mainly due to agricultural intensification.

The courtship of the marsh harrier is certainly a sight to behold - wheeling and tumbling through the sky, male and female partners lock talons in mid-air. Look out for this rare bird over…

Our most diminutive falcon, the merlin is a pretty bird of prey. It chases small birds, flying low to the ground or hovering in the breeze because of its small size. Resident merlins are joined in…