A spindly tree of heathland and moorlands, and dry and sandy soils, the silver birch is well known for its paper-thin, white bark. It is a great coloniser and can quickly spread in an area.

Caddisflies are a large order of insects that can be found in all kinds of wetlands. The larvae are known for making cases to pupate in, gathering stones, sand and leaves, and wrapping them with…

A spindly tree of heathland and moorlands, and damp soils, the downy birch is well known for its paper-thin, white bark. It is so-called for the hairy stalks from which its leaves grow; the silver…

This huge gull can be seen around most of the UK's coasts in summer, with some venturing inland in winter.

This dashing diving duck is a winter visitor to the UK's seas, coastal lakes and occasionally inland water bodies.

This hefty diving bird is a winter visitor to the UK, where it can be seen around the coast or occasionally on large inland lakes.

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.