Welkin BirdMark® Bird Diverter

Welkin BirdMark® Bird Diverter

Patented FireFly bird diverters have been tested by EPRI and are recommended by the U.S. Fish and Wildlife Service. Incorporating motion, reflectivity, and glowing light, FireFly as per independent studies is the most effective bird diverter in preventing bird strikes on power lines. FireFly also has a lower installed cost than coils. Coils can also entangle birds and are less effective at diverting birds, especially in low light at dawn and dusk when birds are at peak risk. When serving as a hazing device, FireFly prevents costly damage to facilities. FireFly can also be used to haze birds within a 10-meter radius from power lines and similar structures, preventing potentially costly damage.

BirdMark Alerts Birds of Obstructions

  • Developed and fully tested by avian biologists.
  • BirdMark sways and reflects in the wind alerting the birds of obstructions.
  • The circular pattern of holes works well in a wide range of winds.
  • Diamond bar material refracts sunlight and provides a “sparkle effect” visible to birds up to 350 meters away.
  • Luminescent material emits visible light for up to 10 hours after dusk, and in low light or fog conditions when birds are most vulnerable.
  • Impact-resistant and UV-stabilized acrylic “flapper” is rated for temperatures from -40°C to +80° C.
  • BirdMark has a rugged spring-loaded clamp which prevents line slippage and helps the device to withstand wind-speeds up to 125 km/h.
  • BirdMark installs easily and in seconds on live lines by drone, hotstick or other methods. Also safe to use on OPGW lines. For installation by drone, click here.(Hyperlink to installation section)
  • The BirdMark Bird Diverter comes with a product guarantee of 5 years, providing a gesture of its reliability and effectiveness. To know more about guarantee terms and conditions