The oak marble gall wasp produces brown, marble-shaped growths, or 'galls', on oak twigs. Inside the gall, the larvae of the wasp feed on the host tissues, but cause little damage.

Holly is a much-loved evergreen tree - its shiny, spiky leaves and bright red berries being a favourite in Christmas decorations. Found in all kinds of habitats, it provides an important winter…

Planaria are flatworms in the phylum Platyhelminthes with amazing regeneration abilities giving them the title 'immortal under the edge of a knife'. There are many different species that…

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 Scots pine is the native pine of Scotland and once stood in huge forests. It suffered large declines, however, as it was felled for timber and fuel. Today, it is making a comeback - good news…

Despite being a little shy, these amazing marine mammals can be spotted close to shore in shallow waters. If you do get close, keep an eye out for the loud ‘chuff’ noise they make as they come to…

The sanderling scampers about the waves looking for marine crustaceans, fish and even jellyfish to eat. It visits the UK in winter from its Arctic breeding grounds, but can also be seen as it…

A stocky, little sandpiper, the knot can be spotted in estuaries from August onwards, migrating here from the Arctic where it breeds. Look out for it probing the muddy sand with its specialised…