Forest in Las Dąbrowa nature reserve, Gliwice, Poland

Sensory observation in a forest setting is distinct from casual outdoor experience. Where an ordinary walk tends toward selective attention — we notice what is immediately striking and filter out background detail — structured sensory exercises work against this tendency. The goal is not to intensify individual perceptions but to sustain attention across all sensory channels in sequence, building a more complete picture of a specific place at a specific moment.

The exercises described here were developed for use in temperate woodland environments, and the examples given refer specifically to conditions found in Polish forests. They are designed to be carried out in sequence over a session of ninety minutes to two hours. They do not require specialist equipment beyond a notebook and, optionally, a watch or phone for timing.

Before Beginning: Arrival and Stillness

The first fifteen minutes of any sensory session should be spent in stillness at a chosen location. This serves a practical function: most forest animals will have retreated at your approach and will gradually return to their normal behaviour during this period. The acoustic environment in particular changes substantially once the forest resumes its activity.

Choose a location that allows you to sit or stand without significant physical discomfort. A fallen tree, a large rock, or a dry rise in the ground near the base of a mature tree all work well. Face in a direction that gives you a clear view of at least ten metres of forest floor and some vertical range — ideally including both canopy and ground layer in your field of vision without needing to move your head.

Exercise 1: Acoustic Mapping

Duration: 15 minutes. No movement required.

Close your eyes and direct attention exclusively to sound. Begin by noting sounds in the immediate vicinity — within a few metres — then extend attention outward in concentric zones. Birdsong can typically be tracked as coming from specific directions and distances. In a Polish forest during spring and early summer, you might identify:

  • Great tit (Parus major) — a repetitive two-note call, typically from mid-canopy, often close
  • Blackbird (Turdus merula) — a rich, melodic, variable song from within shrub or low canopy layer
  • Woodpecker drumming — typically European green (Picus viridis) or great spotted (Dendrocopos major), intermittent, directional
  • Wind in canopy — note whether the sound is continuous or gusting, and from which direction

The goal is not species identification but positional and textural awareness of sound. After ten minutes, without opening your eyes, mentally place each sound source on an imaginary map of the area around you — noting approximate distance and direction. Open your eyes and compare your mental map with the actual environment.

Exercise 2: Systematic Visual Scan

Duration: 20 minutes. Slow movement over a small area.

Move through an area of no more than twenty metres across, conducting a structured visual scan of three distinct layers:

Ground layer (0–30 cm)

Note: moss species and their moisture state, leaf litter composition and depth, visible fungi, animal tracks or burrow openings, root structures, soil texture where visible. In Białowieża-type forests, the ground layer is particularly complex due to centuries of accumulated organic material; the depth of leaf litter and the variety of moss species on decaying wood can both be noted without specialist knowledge.

Shrub and mid-layer (30 cm – 5 m)

Note: species present, presence of berries or seedheads, evidence of browsing (deer tend to browse at a consistent height, producing a visible browse line), spider webs and their orientation, deadwood and the state of decay, evidence of insect activity on bark or leaves.

Canopy and sky (above 5 m)

Note: proportion of open sky visible from the observation point, cloud movement, bird movement through or above the canopy, the way light enters and changes across the forest floor as it shifts.

The capacity to read a forest's layered structure — what ecologists call vertical stratification — develops gradually. Initially, attention tends to flatten: we see the forest as a wall of green. Sustained practice with the three-layer scan produces a different kind of seeing over time.

Exercise 3: Touch and Texture Survey

Duration: 15 minutes.

Select five to eight surfaces within arm's reach of your position and make deliberate contact with each. Note texture, temperature, moisture level, and any smell associated with contact. Suitable surfaces in a Polish temperate forest:

  • Bark of a mature oak (Quercus robur) — deeply fissured, dry in summer, cold and slightly damp in shade
  • The underside of a bracket fungus — a distinctly different texture from the top surface
  • Moss on a north-facing rock surface — typically wetter and denser than moss in open areas
  • A decaying log at an advanced stage of decomposition — the wood fibres are soft and separate easily; the temperature of the interior of a decomposing log is often noticeably warmer than the surrounding air
  • Fresh soil from a mole hill — note the texture difference between topsoil brought to the surface and the surrounding compacted ground

Do not uproot, disturb, or remove any material. Surface contact only.

Exercise 4: Smell Inventory

Duration: 10 minutes.

Smell is the sense most closely tied to memory and is often the most neglected in structured observation. Move slowly and stop at intervals of three to five minutes to actively attend to smell.

In Polish forests, distinct smell environments include:

  • Pine resin — most intense in direct sun, on damaged bark or fresh cuts
  • Forest floor after rain — a complex combination of soil bacteria (Streptomyces produces geosmin, the characteristic "earthy" smell), decaying leaves, and fungal activity
  • Wild garlic (Allium ursinum) in spring — covers entire forest floor areas in Białowieża, creating a strongly aromatic zone
  • Stagnant water in a bog depression — sulphurous, with an overlay of decaying plant matter
  • Fresh birch leaves — a light, slightly sweet scent, most pronounced in early June

Note whether smells are point-source (coming from a specific location) or diffuse (ambient). Note also how smell intensity changes with movement relative to wind direction.

Exercise 5: Integrated Observation at a Second Location

Duration: 20 minutes.

Move to a second location — ideally with different characteristics from the first (denser/more open, more/less moisture, different dominant tree species). Repeat a condensed version of the preceding exercises simultaneously rather than in sequence, allowing attention to move freely between sensory channels. Note any patterns that emerge across both locations: whether the same bird species appear, whether the ground layer composition differs, whether the smell environment changes.

Equipment List for a Sensory Observation Session

  • Waterproof notebook and pencil (pencil works in damp conditions; ink can smear)
  • Watch or timer for exercise durations
  • Appropriate footwear for forest floor — waterproof, with ankle support for uneven terrain
  • Insect repellent appropriate to season (tick prevention in particular is relevant in Polish forests from March through October)
  • Water and a small amount of food for sessions longer than two hours

Adapting Exercises to Season

Polish forest environments change significantly across seasons, and the exercises above require adaptation:

  • Spring (March–May): Highest bird activity; migration movement detectable; ground layer most accessible before canopy closes; mud and soft ground make tracking easier
  • Summer (June–August): Full canopy closure reduces light; insect sound becomes prominent; smell environment shifts toward terpenes and resins; dawn sessions are most productive for acoustic observation
  • Autumn (September–November): Fungal activity peaks; canopy opening again increases light and weather sensitivity; leaf fall changes acoustic properties of the forest floor; animal preparation for winter is visible in behaviour patterns
  • Winter (December–February): Snow changes acoustic and visual conditions fundamentally; animal tracks become readable; evergreen species (pine, spruce, fir) remain visually prominent; sessions should be shorter and warmth management is a practical priority

Further Reference