What You'll Need
- A fallen log or large branch (at least 4" diameter)
- A magnifying glass
- A field journal and pencil
- A ruler for measuring creatures
How To Do It
- Place your log in a shady moist corner of the yard. Half-buried in leaf litter is ideal.
- Leave it alone for 2–4 weeks. The decomposer community needs time to move in.
- Check underneath by gently rolling the log toward you (roll it, don't lift straight up — use the log itself as a shield). Observe for 60 seconds before touching anything.
- Record what you find — sketch or describe each creature. Count how many of each.
- Roll the log back exactly as it was. The community you found took weeks to establish — protect it.
- Return monthly and compare your notes. The log community will change dramatically over the seasons.
Safety Note
Always use the Stick Rule AND roll the log toward you (not away). In Louisiana, copperheads and cottonmouths shelter under logs, especially near water or dense vegetation. Roll slowly and watch what emerges before getting your face close.
What to Watch For
- Pill bugs (roly-polies) — crustaceans, not insects! Related to shrimp.
- Centipedes (one leg pair per segment) vs millipedes (two pairs per segment)
- Termites — white, soft, and responsible for recycling more dead wood than anything else in the forest
- Fungal threads (mycelium) — white or cream fibers running through the wood
- Salamanders in humid weather
Grandma Says
Every creature under that log has one job: turning dead things into living soil. Without decomposers, dead leaves and wood would pile up forever and the nutrients locked inside them could never feed new plants.