Interactive Log Pile

The woodlouse that follows you

You've just lifted a log. Move your pointer over the damp soil and your minibeast will wriggle, trundle, race or glide after you. Choose a different one at the bottom, and tap the notes to open them.

01 · BallRolling up

The pill woodlouse can roll into a tight ball to protect its soft underside. Most other woodlice can't do this.

02 · FamilyNot an insect

Woodlice are crustaceans, related to crabs and shrimps. They are some of the few that live their whole lives on land.

03 · LegsFourteen legs

A woodlouse has seven pairs of legs: one pair for each of its seven main body plates.

04 · BabiesA pouch of babies

The mother carries her eggs, and then her tiny white young, in a pouch of fluid under her body.

05 · DampKeeping damp

Woodlice breathe through gills on their back legs, so they have to stay somewhere damp.

06 · NamesLots of names

Chiggy pig, cheeselog, gramersow, slater: there are well over a hundred local names for woodlice in Britain.

Meet them all

Who's who under the log

Common earthworm

Lumbricus terrestris

Size
Up to about 25cm long
Look for it
All year round
Where
In the soil of lawns, flower beds and fields

The gardener's best friend: a long, pink-brown worm that pulls leaves underground and keeps the soil healthy.

More about the earthworm

Common pill woodlouse

Armadillidium vulgare

Size
Up to 18mm long
Look for it
All year round
Where
Under logs, stones and flowerpots, especially on chalky soil

A little grey armoured tank that can roll itself into a perfect ball.

More about the woodlouse

Brown centipede

Lithobius forficatus

Size
Up to 3cm long
Look for it
All year round
Where
Under logs, stones and bark, and in compost heaps

A fast, flat, chestnut-brown hunter with long legs sticking out at the sides.

More about the centipede

White-legged snake millipede

Tachypodoiulus niger

Size
Up to 5cm long
Look for it
All year round
Where
Under logs and bark, in leaf litter and on walls at night

A shiny black tube of a creature with a fringe of fine white legs, which coils up when touched.

More about the millipede

Leopard slug

Limax maximus

Size
Up to 16cm long
Look for it
March to November
Where
Gardens, woods, sheds and cellars, out at night and after rain

A big, pale brown slug with dark leopard spots and stripes. Surprisingly, a friend in the garden.

More about the leopard slug

Violet ground beetle

Carabus violaceus

Size
Up to 3cm long
Look for it
March to October
Where
Under logs and stones in gardens, woods and hedgerows

A big, fast, black beetle with a violet shine round its edges, which hunts slugs at night.

More about the ground beetle

Through the year

When to look for them

The green months are when you're most likely to see each one in Britain. The animal following you is shown in red.

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Earthworm
Woodlouse
Centipede
Millipede
Leopard slug
Ground beetle

Make room for them

Six ways to help minibeasts

Logs

Build a log pile

Stack a few logs in a shady corner and leave them to rot. It's the easiest wildlife home you can make.

Leaves

Leave the leaves

Sweep fallen leaves under a hedge or into a corner, not into a bin. Worms, millipedes and woodlice turn them into soil.

Compost

Start a compost heap

A compost heap is warm, damp and full of food. It will be busy with worms, woodlice and centipedes in weeks.

Care

Put it back

When you lift a log or a stone to look, lower it back gently, the same way up. The animals underneath need the damp and the dark.

Pellets

Skip the slug pellets

Pellets can harm the hedgehogs, birds and beetles that eat slugs for you. Ground beetles and leopard slugs do the job for free.

Digging

Dig a bit less

Turning the soil over breaks up worm burrows. Spreading compost on top and letting the worms pull it down works just as well.

Now lift a log

Lift a log or a big stone slowly, look without touching, and lower it back gently the way you found it. You've just looked into somebody's house.

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