The holm oak is an introduced species that has been widely planted near the coast and in parkland. It is self-seeding in the south of the UK. Its young leaves are spiny like holly leaves, and it…

The appearance of semi-circular holes in the leaves of your garden plants is a sure sign that the patchwork leaf-cutter bee has been at work. It is one of a number of leaf-cutter bee species…

The Alcathoe bat was 'discovered' in the UK in 2010 when it was confirmed as a separate species to the very similar whiskered and Brandt's bats. Little is known about its range and…

An attractive, olive-green bird, the greenfinch regularly visits birdtables and feeders in gardens. Look for a bright flash of yellow on its wings as it flies.

Sea-buckthorn is a spiny, thicket-forming shrub of sand dunes. It's native to the east coast of England but considered an invasive species elsewhere. It is most obvious in autumn when it is…

The broad centurion, or 'green soldier fly', is one of our most common soldier flies, and is often found in gardens. It has hairy eyes and a metallic blue or bronze body. It is an…

Introduced from Japan in the 19th century, Japanese knotweed is now an invasive non-native plant of many riverbanks, waste grounds and roadside verges, where it prevents native species from…

The fearsome-looking hornet may not be a well-loved insect, but it is actually much less aggressive than the common wasp. It is also an important pollinator and a predator of species that feed on…

The bluefin tuna is a highly migratory fish which roams the oceans. This species will cross oceans, travelling between the Mediterranean Sea and the Gulf of Mexico. They are speedy swimmers,…

The hen harrier has been severely persecuted for taking game species and has suffered massive declines in numbers as a result. Thankfully, conservation projects are underway to reduce conflict…