Escaped or intentionally freed from fur farms in the 1960s, the American mink is now well established in the UK. Its carnivorous nature is a threat to our native water vole and seabird populations…

The graceful great crested grebe is a familiar sight on our lakes and reservoirs, and is well-known for its elaborate courtship dance, during which it rises vertically out of the water and shakes…

The UK's smallest whale, the minke whale, is notoriously inquisitive around boats and is even known to breach clear of the water. Beware though - their fragrant breath has given them the…

The vast, green mats that sometimes cover the surface of still water, such as ponds, flooded gravel pits and old canals, are actually Common duckweed. A tiny, single plant, it groups together to…

The pink-footed goose is a winter visitor to the UK, feeding on our wetland and farmland habitats. About 360,000 individuals spend the winter here, making it a really important destination for…

This fluffy moth is one of the few species that fly in winter.

The small, shaggy-furred Brandt's bat roosts in all sorts of houses, old or modern. It is similar to the whiskered bat and they often roost together, but in separate colonies. It feeds low to…

A common dragonfly of ponds, lakes and canals near woodland, the southern hawker can be seen patrolling the water or 'hawking' through woodland rides. A fast-flying species, it will…