METHODOLOGICAL DEVELOPMENT FOR HARMONIC DIRECTION FINDER TRACKING IN SALAMANDERS

Abstract

The ability to track the movements of an animal enables a better understanding of its behavior and ecological preferences. However, animals that are small, have smooth sensitive skin, and live in variable environments can be difficult to track. We tested several types of Harmonic Detection Finder (HDF) tags and harnesses in salamanders. We designed a harness that does not hinder the normal movements of a salamander and is difficult to remove for the bearer. We also designed a dipole that could be used both on the ground and underwater without a great decrease in detection range. These techniques are important for non-invasive behavioral studies, although the harness developed here could easily get entangled in narrow or heavily vegetated habitats.