"To be effective, a chemical repellent must affect the way that the bird perceives the crop."
-Michael L. Avery, National Wildlife Research Center, Gainesville, FL
FlightControl® PLUS works in two ways
- Anti-feedant (consequence): Geese experience a temporary but very effective digestive irritation, usually within 20 minutes, when they eat turf treated with FlightControl® PLUS.
- Visual Warning (threat): Geese have four retinal cones (unlike humans, who have three) and have the unique ability to recognize FlightControl® PLUS in the ultraviolet light spectrum in addition to the visible light spectrum in which humans see. The appearance of turf treated with FlightControl® PLUS is unnatural and, once conditioned to the digestive reaction, the visual signal of the treated turf provides a warning to the geese not to eat the turf.
Studies have shown that birds will refuse to eat food treated with the active ingredient in FlightControl® PLUS once they are conditioned.

Treated turf appears natural when viewed by humans.
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Treated turf appears speckled when viewed by geese in the UV spectrum.
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What will the geese do after I treat my turf with FlightControl® PLUS?
- Geese will sample the area. They may react by shaking their heads, drinking water, pecking at their bellies and rubbing their necks. (20 minutes for response time).
- As the geese sample, the conditioning process begins.
- Geese will not die as a result of eating FlightControl® PLUS.
- They may feed several times, drinking in between, while being conditioned to respond.
- Geese will learn that a treated area is not a good place to feed.
- Geese have no choice but to find an alternative food source. This conditioning usually takes one to two days.
- New droppings should decrease, and existing droppings will continue to age if allowed to remain in the drop zone turf, turning white with age.
FlightControl® PLUS has a unique patent and is unlike any other Canada Goose Repellent on the market today. FlightControl® PLUS is NOT made from grapes and will not wash off in rain or irrigation. Compare for yourself the difference between FlightControl® PLUS and other repellents.