The sand lizard is extremely rare due to the loss of its sandy heath and dune habitats. Reintroduction programmes have helped establish new populations.

A plain-looking warbler, the garden warbler is a summer visitor to the UK. It is a shy bird and is most likely to be heard, rather than seen, in woodland and scrub habitats.

Look for Water avens in damp habitats, such as riversides, wet woodlands and wet meadows. It has nodding, purple-and-orange flowers that hang on delicate, purple stems.

Common whitebeam is not a common tree, despite its name. It can be found growing wild in a variety of habitats, but is also planted in towns and gardens. Look for shiny, oval leaves with white…

The common lime is a tall, broadleaf tree that is a natural hybrid between the large-leaved and small-leaved limes. It can be seen in a variety of habitats, and has been widely planted along roads…

The brown, oval, spiky seed heads of the teasel are a familiar sight in all kinds of habitats, from grassland to waste ground. They are visited by goldfinches and other birds, so make good garden…

Broom is a large shrub of heaths, open woodlands and coastal habitats. Like gorse, it has bright yellow flowers, but it doesn't have any spines and smells of vanilla.

The yellow meadow ant is known for creating anthills in grassland habitats. It has a close relationship with the chalkhill blue butterfly - protecting the larvae in return for a sugary substance…

The pink, frayed flowers of Ragged-robin are an increasingly rare sight as our wild wetland habitats disappear. You can help: grow native plants in your garden and enjoy the hum of visiting…

Our only venomous snake, the shy adder can be spotted basking in the sunshine in woodland glades and on heathlands.