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Beaver identification ruler
The pocket tool for reading gnaw marks
A small field tool designed to compare the width of incisor marks on feeding sticks and estimate the age class of the animal — juvenile, subadult or adult. Based on measurements collected across more than 20 territories.
- Scale : approx. 1.4 to 6.0 mm — juvenile / subadult / adult
- Who it's for : naturalists, schools, associations, field monitoring
- Lightweight, slips into a pocket or a binder
An aid to interpretation — it does not replace direct observation. Not a toy; not recommended for children under 3.
CHF 4.00 Shipping not included
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