Laser Bird Scarer for Farms and Large Areas

How a laser bird scarer works

Birds perceive a bright, moving dot that approaches them as a predator or physical threat. When the green dot of a laser sweeps across the ground towards a flock, the birds take off and, with repetition, learn to avoid the area. Unlike gas cannons or distress calls, a laser is silent, so it does not disturb livestock or neighbours, and you can direct it precisely at the flock you want to move. It works best in low light: at dusk, dawn and on overcast days, when the dot stands out clearly. In bright midday sun the effect is weaker, which is exactly where the extra output of a Pro model helps.

Which birds and which situations

• Geese and ducks grazing on grassland, winter cereals or around ponds.
• Pigeons and crows on drilled fields, brassicas and around feed stores.
• Starlings gathering in large numbers at dusk around barns and silage clamps.
• Gulls on open land and around waste or storage areas.

On large sites such as airfield perimeters, laser use is only appropriate with the explicit permission and procedures of the site operator, and never in any direction where aircraft could be reached.

Which ACE laser to choose

Green is the right colour: it gives the longest visible range for a given output, and the dot stands out clearly in low light.

• AGP-3 Pro (50–500 mW): our first recommendation for large fields. Indicatively a dot on objects at approx. 500 m in daylight and approx. 2 km at dusk. Rechargeable 18650 battery, safety keys.
• AGP-1 Pro (50–500 mW): the same output with a removable pattern lens; remove the lens for bird work.
• AGP-2 Pro Mini (50–500 mW): the compact option if you carry the laser on foot all day.
• AG-1 (5–50 mW): for smaller areas, farmyards and work at dusk; indicatively approx. 1 km at dusk, on AAA batteries.

Method: a practical routine

1. Survey first. Note where the birds land, at what time, and what lies beyond them: roads, houses, footpaths, livestock, water.
2. Choose your position so that the background behind the flock is open ground, a bank or a hedge, never a road, building or the sky.
3. Keep the beam low. Start the dot on the ground well in front of the flock and move it slowly towards them. Do not aim at the birds themselves and never upwards.
4. Short sessions, repeated. A few minutes at dusk and dawn over several days is more effective than one long session.
5. Vary your approach so the birds do not get used to one pattern, and combine the laser with other measures where needed.

Our blog post on laser bird deterrence on farms covers planning across a season.

Safety comes first

Class 3B lasers can injure the eye instantly, directly or via reflections from water, glass, wet leaves or metal roofs. Never aim at people, at vehicles, at aircraft or towards the sky, and stop immediately if anyone enters the area. Wear goggles rated for 532 nm, store the laser with the key removed and keep it away from children. Respect the nesting season and the rules that apply to the species and your site; obtain the landowner's or operator's permission where it is not your land. As the buyer you are responsible for complying with UK law. Read our laser safety guide and the guide to laser safety glasses.