Russia-Ukraine war fallout: Birds use fiber optic wires from drones to build nests

Birds in Ukraine's conflict zones are using fiber optic cables from downed FPV drones to build nests, showcasing wildlife's adaptation to human warfare. The phenomenon, observed in Donetsk, raises questions about environmental impacts.

Russia-Ukraine war fallout: Birds use fiber optic wires from drones to build nests

Bird's nest built using fibre-optics (Image by 12th Special Forces Brigade “Azov” of the National Guard of Ukraine)

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In war-torn landscapes, a curious and unexpected image has captured global attention- birds weaving fiber optic cables into their nests. The shiny, hair-thin strands remnants of drones that glide overhead during the ongoing conflict are now becoming part of nature’s toolkit.

Photographs shared by Ukraine’s 12th Azov Brigade show abandoned nests crafted almost entirely from these synthetic fibers. Found in the Toretsk area of Donetsk, the nests reflect a quiet but astonishing example of how wildlife is adapting to the changing environment around it.

Notably, these ultra-thin glass fibers, sometimes up to 20 kilometers long, are used by FPV (first-person view) drones for communication and guidance. Unlike wireless drones, fiber-linked drones stay connected via a physical thread of cable, making them harder to jam or interfere with electronically.

Once a drone completes its mission, or crashes, it often leaves behind these lightweight, nearly invisible trails of cable across fields, forests, and urban debris.

Birds Treat the Synthetic Like Natural

To a bird, a material’s usefulness is more important than its origin. Just as they collect twigs, fur, feathers, and string to build nests, some birds in Ukraine are now gathering these fiber optic strands, possibly because they are strong, light, and flexible.

The result is nests that look familiar at first glance but shimmer strangely in the light.

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Is It Safe for Birds?

So far, experts say the material doesn’t appear to pose a direct health risk to the birds. Fiber optic cables are made primarily of glass and a protective coating, and they don’t degrade into toxic chemicals like some plastics do. However, the long-term environmental impact of widespread synthetic debris in natural habitats remains unclear.

Meanwhile, some worry that if the fibers tangle around chicks or adults, they could cause injury. Others are more optimistic, calling it an example of wildlife resilience in the face of human disruption.

Whether this will become a common feature in other regions remains to be seen. But for now, the sight of birds nesting with the remains of modern technology offers a reminder of how closely our actions, even in distant conflicts, are woven into nature.

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