Ukraine’s birds adapt to battlefield environment, weaving nests out of drone fiber-optic cables — resourceful wildlife adapts to miles of littered drone fibers

Ukraine’s birds adapt to battlefield environment, weaving nests out of drone fiber-optic cables — resourceful wildlife adapts to miles of littered drone fibers

Sample nests were found after a Russian glide bomb knocked down a tree in Donbas.

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Apocalyptic bird nest.A Russian glide bomb knocks down a tree in Donbas. From the shattered branches rolls out a tiny bird’s nest.Made of drone fiber-optic cable.Source: Oleg Malchenko pic.twitter.com/NWzLyv0hla June 6, 2026

Example photos of these optical fiber nests were shared on Twitter/X by a Ukrainian civil society leader and anti-corruption advocate, Olena Tregub. She called the carefully woven avian construction an “apocalyptic bird's nest” and credited Oleg Malchenko as the photographer. We can’t say how widespread such nests are, they are the first we’ve seen, but birds can be quite enterprising when nest building and choosing the best materials.

Some background to the finding was given by Tregrub. “A Russian glide bomb knocks down a tree in Donbas,” said the former Ukrainian government official. “From the shattered branches rolls out a tiny bird’s nest. Made of drone fiber-optic cable.”

Imagery showing acres of fields strewn with wisps of optical fiber are one of the sad signatures of the current Russia-Ukraine war . To make no-fuss jam-proof drones both sides have been using optical fiber tethered drones to target their foes.

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In October last year we reported on a Ukrainian invention utilizing rotating barbed wire barriers to snag, rip, and disable any fibers left in the wake of drones flying over them. Another example of ingenuity in this David vs. Goliath conflict.

In December, we reported on the tethered drone range of Russian FPVs being significantly boosted by a grey-zone Chinese partnership. This tech collaboration between communist nations resulted in the production of fiber optic spools delivering as much as 65km (~40.4 miles) of tethered range. That was an advance of previously seen Ukrainian tethered drones reaching 42km (~26 miles).

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