It's easy to see where this small starfish got its name, it really does look like a little star-shaped cushion. Keep an eye out under rocks next time you're rockpooling for this little…

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.

Sometimes called 'Wild spinach', Sea beet can be cooked and eaten. It grows wild on shingle beaches, cliffs and bare ground near to the sea, as well as in saltmarshes.

The upright, blue flower spikes of Viper's-bugloss can be spotted on chalk grassland, sand dunes, cliffs and banks. Its spotted stem is thought to resemble a viper.

The Canada goose is our most familiar goose, although it is not actually native to the UK. A common and bold bird, it can be found around most parks, lakes, reservoirs and gravel pits.

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…

As its name suggests, giant hogweed it a large umbellifer with distinctively ridged, hollow stems. An introduced species, it is an invasive weed of riverbanks, where it prevents native species…

The small, yellow flowers and woolly appearance of kidney vetch make this plant easy to spot. Look for it growing low to the ground on sand dunes, chalk grasslands and cliffs in summer.

The razorbill has a characteristically thick, black bill, with a white stripe across it. It nests with other seabirds, such as guillemots, but prefers the lower ledges and rocky bottoms of cliffs…