How to build a hibernaculum for amphibians and reptiles
Hibernacula are underground chambers that amphibians and reptiles use through winter to protect them from the cold. They provide a safe space for amphibians and reptiles to hibernate, as well as a spot for lone bees to soak up the sun and for birds to relax.
You will need:
- A spade
- Logs and branches
- Rocks and bricks
- 2-3 drainpipe cut-offs or cement pipes (if using plastic drainpipes, roughen the insides with sandpaper so that they are not too slippy for animals to climb
- Turf or meadow flower seeds (optional)
How to make your hibernaculum:
- In a sunny spot, dig a hole about 50 c deep and 1.5 metres across
- Fill with logs, branches, bricks and rocks, leaving plenty of gaps in between
- Insert entrance tubes (drainpipes) at ground level into the hole
- Cover the pile with soil (to about 50cm high)
You can plant meadow seeds or turf over the mound.