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How laser beams deter birds

How laser beams deter birds

Birds see the world differently than we do… literally.

At Birdzout, we untilize an understanding of avian behavior to provide humane and effective bird control solutions. 

Today, let's dive into the science behind why lasers send birds into a panic and what this means for bird control

Beyond Human Vision

Our understanding of bird vision is crucial to grasping their reaction to lasers.

Unlike humans, most birds possess a tetrachromatic visual system. This means they have four types of cone cells in their eyes, allowing them to perceive not only the red, green, and blue light we see, but also ultraviolet (UV) light.

As a result this extended spectrum dramatically alters how they interpret high-intensity light sources like lasers.

    • Seeing the "Whole Beam": While we see a laser as a dot on a surface, birds  perceive the entire laser beam itself as a solid, physical object. Imagine a glowing, tangible stick moving through their environment. This phenomenon is amplified by their UV vision, making the beam appear even more vivid and pronounced.
    • Rapid Flicker Fusion: Birds also boast a much higher flicker fusion frequency than humans. This means they process visual information at a significantly faster rate. What appears as a continuous beam to us might be perceived as a rapidly flickering, yet still solid, object to a bird. This high processing speed makes them incredibly sensitive to sudden movements and changes in their visual field.
    • Instinctive Threat Perception: Combine the perception of a solid, moving object with their heightened sensitivity, and you have a recipe for an instant alarm. Birds are hardwired to react to perceived threats that encroach on their space or block their escape routes. A laser beam, especially a green one (which is often more visible in the UV spectrum), mimics a physical barrier or predator, triggering an immediate fight-or-flight response. 

What that means for bird control

When birds come across a laser beam they see it as a solid threat that they can't get away from triggering an instant flight response.

This makes lasers an excellent tool to deter birds from crops, vineyard, commercial buildings, rooftops, waste water treatment ponds, fish farms and more.

Keen to learn how to use this to your advantage? 

View Birdzout Lasers or get in touch with our team for advice

References: 
https://www.scientificamerican.com/article/what-birds-see/
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0146543
https://www.aav.org/
https://www.aphis.usda.gov/aphis/ourfocus/wildlifedamage/programs/nwrc/research-areas/sa_bird_management/ct_bird_management

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