A scarce but distinctive brown seaweed with curved, funnel-shaped fronds. It is a warmer water species at the northern edge of its range on the south coast of England.

The Welsh poppy is a plant of damp and shady places, roadsides and hillsides. It is also a garden escapee. It flowers over summer, attracting nectar-loving 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.

Creeping buttercup is our most familiar buttercup - the buttery-yellow flowers are like little drops of sunshine peppering garden lawns, parks, woods and fields.

One of the prettiest hardy ferns, the lady fern is delicate and lacy, with ladder-like foliage. It makes a good garden fern, providing attractive cover for wildlife.

Native oysters are a staple of our seas and our plates - but our love of their taste has lead to a sharp decline all around the UK.

Greater celandine is a very common plant that spreads easily in the garden, on waste ground and in hedgerows. It is considered a weed, but the small, yellow flowers provide nectar for insects.

Creeping jenny is a low-growing plant of wet grasslands, riverbanks, ponds and wet woods. It has cup-like, yellow flowers and is a popular choice for garden ponds.

With club-shaped leaflets on its fronds, wall-rue is easy to spot as it grows out of crevices in walls. Plant it in your garden rockery to provide cover for insects.

The variable damselfly looks a lot like the azure damselfly, but is much less common throughout most of the UK.

With its familiar features, the Field pansy is a delicate version of a garden favourite. Usually creamy-yellow in colour, it can be seen in fields and on roadside verges and waste ground.