Fennel has feathery leaves and open, umbels of yellow flowers. It was probably introduced by the Romans for culinary use, and is now a naturalised species of verges, waste ground and sand dunes.…

As its name suggests, Himalayan balsam is from the Himalayas and was introduced here in 1839. It now an invasive weed of riverbanks and ditches, where it prevents native species from growing.

Cotoneaster was introduced to the UK in 1879 from Eastern Asia as an ornamental plant. It is now an invasive non-native species which is taking over valuable habitats including limestone…

The once-common pochard is now under threat because its populations are declining rapidly. The UK is an important winter destination for the pochard, with 48,000 birds visiting our wetlands and…

Once considered a weed of cornfields, the common poppy is now in decline due to intensive agricultural practices. It can be found in seeded areas, on roadside verges and waste ground, and in field…

The common shieldbug was once restricted to Southern England, but has since been moving northwards and is now quite widespread. It can be found in all kinds of habitats from gardens to farms.

Once considered a weed of cornfields, the Scarlet pimpernel is now in decline due to intensive agricultural practices. It can be found in arable fields, on roadside verges and waste ground, and on…

Spiny lobster, crawfish, crayfish, rock lobsters - many names, one animal! This pretty lobster was made extinct in many areas through overfishing, but is now making a slow comeback.