A tall, broad tree of woodlands, roadsides and parks, the introduced horse chestnut is familiar to many of us the 'conker' producing tree - its shiny, brown seeds appearing in their…

The sweet chestnut is famous for its shiny brown fruits, or 'chestnuts', that are wrapped in a spiky, green casing and make a tasty winter treat. Look for this tree in woodlands in South…

The cormorant is an excellent fisher. It is most easily spotted when it is perched, stretching its wings out in the sun to dry after a dive. The UK holds internationally important wintering…

The ivy bee is a new arrival to the UK. First recorded here in 2001, it is slowly spreading north. It feeds mainly on the nectar of ivy flowers and can be seen in autumn when this plant is in…

The UK hosts a small, but important, breeding population of ruff. The ruff is a large sandpiper that is so-called due to the large ruff of feathers around the males' neck. This is used in a…

The Great diving beetle is a large and voracious predator of ponds and slow-moving waterways. Blackish-green in colour, it can be spotted coming to the surface to replenish the air supply it…

The orange ladybird is pale orange with up to 16 cream spots on its wing cases. It feeds on mildew on trees like sycamore and ash, and hibernates in the leaf litter. It often turns up in moth…

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…

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…

Mackerel are a sign of summer's arrival, when they appear inshore in huge numbers all around the UK. As well as being a sustainable seafood choice, they are an important food source for many…

The defensive mechanism of the pill woodlouse is very recognisable - it curls itself into a tight ball, only showing its plated armour to its attacker. It is an important recycler of nutrients,…

The tree bumblebee is a new arrival to the UK. First recorded here in 2001, it is slowly spreading north. It prefers open woodland and garden habitats and can be found nesting in bird boxes and…