fladry

plural fladries

1. countableuncountableA string of flags (usually red) used to demarcate boundaries that contain wildlife such as wolves, and deter them from crossing.

   To visually warn wolves away from other pastures, Brown sometimes turns to the old European technique called fladry, stringing wire with bright flags along its length.

   2010, Chadwick, Douglas H., Wolf Wars, National Geographic (March 2010), page #:41

   1 more example

   Fladries, brightly coloured flags sewn on ropes (Fladry: Table 4.3), have been used for hunting wolves (Canis lupus) in Europe for centuries. Most wolves fear fladries and rarely cross such barriers.

   2005, People and Wildlife: Conflict Or Co-existence?, by Rosie Woodroffe, Simon J. Thirgood, Alan Rabinowitz; page 62