© Wildnispark Zürich / Abigél Schnellmann© Wildnispark Zürich / Abigél Schnellmann

© Wildnispark Zürich / Abigél Schnellmann

Pile of leafs in autumn 

Caution is advised in the Sihlwald. The heavy snow load can cause branches to break suddenly. Winter service is reduced at Langenberg Wildlife Park.

Leaf pile

Leaf piles that are reinforced with branches provide shelter for hedgehogs and other small mammals to hibernate in winter.

Material:

  • Accumulated branch wood, for example prunings from hedges, bushes, trees or found along the roadside – rather thin
  • Approx. 10 logs or sticks of wood (each 10 cm thick and 1 m long)
  • Leaves from native trees (the more, the better)

Structure:

  • Spread some of the leaves on the ground as a base (area at least 2m²).
  • Place two of the logs parallel on the ground, approx. 30cm apart.
  • Place two more logs parallel to the first two at a right angle to the lower ones (should form a square from above (30cmx30cm).
  • Place two logs again parallel to each other at a right angle on top of the two upper logs (the distance may be less than 30cm).
  • Place the remaining logs as a «roof» on the structure à you should now have a cavity of approx. 30cmx30cmx30cm.
  • If necessary, use some branches to reinforce the structure.
  • Cover the resulting structure with half of the remaining leaves.
  • Spread out most of the branches on the pile to create more stability.
  • Pile up the remaining leaves.
  • Weigh down the leaves with the remaining branches.

Function:

  • Hibernation shelter for hedgehogs and other small animals

Location:

  • Branch piles can be created in various places, on flat terrain or on slopes.
  • A shady place protected from the wind and weather is ideal.
  • Undisturbed corners in the garden that are not too close to garden paths are suitable.
  • The substrate must be unsealed to prevent waterlogging.

Care:

  • Over time, the pile will collapse, then fresh leaves can be placed on top of the pile

Further links, brochures and leaflets:

Instructions for a pile of branches and leaves (German only)
Hedgehog-friendly garden (German only)
Hedgehog-friendly garden (detailed) (German only)
Video: Building winter quarters for hedgehogs (German only)
Video: Wildlife Gardening for Hedgehogs

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