The farthest north this species used to be seen was the Channel Islands but it is now common in Bedfordshire

Like a mother breastfeeding a baby, plants use underground web of fungi to feed seedlings that cannot survive on their own

While some cyanobacteria are among the deadliest organisms in the world, others help us flourish

The fish can no longer be caught by commercial nets – but now pollution puts their future in doubt

Species is often the first fish to recolonise streams that have been polluted

Triturus cristatus is increasingly hard to find in UK with its habitat – clear ponds without fish – in short supply

Species has made a dramatic return to areas of Europe where it had almost completely disappeared

These translucent creatures increase species’ survival prospect by staggering their development

Now is peak time for this mushroom, a favourite on book fronts and featured in Alice in Wonderland

It is fortunate the shy species found a home in Britain as the animals are vanishing in their native China

Climate crisis has enabled the once-endangered species to spread over the country and it is now common

Overfishing and seabed trawling have decimated the native or common oyster in British waters

The distinctive animal was the target of 17th-century churchwardens but is now rebounding in Buckinghamshire

The noble chafer beetle is in decline owing to the destruction of the habitat that its larvae need to thrive

Species, which pre-date dinosaurs, hatch larvae that help clean streams by filtering out organic matter

Members of the public can help discover why so many seals are washed up dead on British beaches

A North Sea trial aims to develop methods for growing and harvesting the seaweed as a means of carbon sequestration

Equus asinus is gradually disappearing from countryside and as a working animal is now a rarity

Efforts under way to restore seagrass meadows capable of capturing more carbon than rainforests

Poor river management and invasive species have driven the bivalve out of a former stronghold