The nest was found in a Ukrainian woodland.
The material is a strong fiber‑optic cable used for military communications.
Its presence illustrates how war leftovers can integrate into ecosystems.
The study aims to understand and reduce the environmental impact of such debris.
Scientists say the nest highlights how equipment from modern warfare can become part of the natural environment.
The discovery raises questions about the long‑term environmental legacy of military technology.
Researchers hope the finding will encourage better ways to protect wildlife from war‑related debris.
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