The foxglove is a familiar, tall plant, with pink flower spikes and a deadly nature. In summer, it can be spotted in woodlands and gardens, and on moorlands, roadside verges and waste grounds.

Found in ponds and marshes, the fragile look of the common water-measurer belies its fierce nature. A predator of small insects, it uses the vibrations of the water's surface to locate its…

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 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 Leyland cypress, or 'Leylandii', is a notorious tree that has been widely planted for its fast-growing nature. It easily can get out of control, shading gardens at the expense of…

The eel is famous for both its slippery nature and its mammoth migration from its freshwater home to the Sargasso Sea where it breeds. It has suffered dramatic declines and is a protected species…