PR Tech BirdMark™ BM-AG Bird Diverter

PR Tech BirdMark™ BM-AG Bird Diverter

Birds large and small—including swans, eagles, hawks, ducks, geese, and many others—often cannot see power lines near the horizon, and they lack the maneuverability to avoid them when they get close enough to see them. Over one million birds are killed annually in North America! BirdMark BM-AG (After Glow) bird diverters are designed to prevent collisions between birds and hard-to-see power lines day or night.

Night Glow Capability:

Other types of bird diverters are usually designed to help birds avoid obstructions during daylight, but recent studies indicate that most bird collisions happen during low light situations such as fog, rain, and the hours before and after dusk. The BirdMark BM-AG glows up to 10 hours after the sun has set, providing extended protection for at risk birds.

Easy to Install:

The BirdMark BM-AG bird diverter can be installed and removed from the ground without interrupting power. Our patented and rugged SnapFast mounting clamp prevents line slippage on single or bundled cables. Choose from two sizes of clamp: 10–70 mm (0.39–2.75 in.) or 4–16 mm (0.16–0.63 in.). Once in position, the grip is such that the BirdMark BM-AG stays in position, even in a Force 8 gale.


-Highly visible day and night
-Sways and reflects in the wind to alert birds of obstructions
-Glows up to 10 hours after dusk and in other low light conditions
-Fully tested and developed by biologists
-Rugged spring-loaded clamp prevents line slippage
-Quick installation by hot stick
-Also hazes birds from buildings and structures
-11 ½” total length
-5 3/8″ diameter white disk
-Use 15ft spacing for best results

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