![Perch deterrents tested: (A) Pupi cross arm, mounted at a 22.5° angle;... | Download Scientific Diagram Perch deterrents tested: (A) Pupi cross arm, mounted at a 22.5° angle;... | Download Scientific Diagram](https://www.researchgate.net/profile/James-Dwyer-7/publication/262673135/figure/fig3/AS:614078796013571@1523419202103/Perch-deterrents-tested-A-Pupi-cross-arm-mounted-at-a-225-angle-B-Birdzoff-perch.png)
Perch deterrents tested: (A) Pupi cross arm, mounted at a 22.5° angle;... | Download Scientific Diagram
![Stainless Steel Birds Spikes, Pest Control Bird Repellent ,Security Anti-climbing Wall,Anti-cats, Birds And Small Invaders - Walmart.com Stainless Steel Birds Spikes, Pest Control Bird Repellent ,Security Anti-climbing Wall,Anti-cats, Birds And Small Invaders - Walmart.com](https://i5.walmartimages.com/asr/803abbd5-8caa-4702-b050-7645bde66c25.173c6a806f54097fa0c7499c53c80c99.jpeg)
Stainless Steel Birds Spikes, Pest Control Bird Repellent ,Security Anti-climbing Wall,Anti-cats, Birds And Small Invaders - Walmart.com
![Amazon.com : Bird Spikes for Pigeons Small Birds Cat, 15 Feet Anti Bird Spikes Stainless Steel Bird Deterrent Spikes 14 Strips : Patio, Lawn & Garden Amazon.com : Bird Spikes for Pigeons Small Birds Cat, 15 Feet Anti Bird Spikes Stainless Steel Bird Deterrent Spikes 14 Strips : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/81BKyfU+N5L.jpg)
Amazon.com : Bird Spikes for Pigeons Small Birds Cat, 15 Feet Anti Bird Spikes Stainless Steel Bird Deterrent Spikes 14 Strips : Patio, Lawn & Garden
![HOTBEST Bird Spikes, 5 Metre Pack Bird Spikes Deterrent Anti Perch Control Repeller, For Pigeons Small Birds,Stainless Steel Bird Spikes -No More Bird Nests & Poop-Disassembled Spikes - Walmart.com HOTBEST Bird Spikes, 5 Metre Pack Bird Spikes Deterrent Anti Perch Control Repeller, For Pigeons Small Birds,Stainless Steel Bird Spikes -No More Bird Nests & Poop-Disassembled Spikes - Walmart.com](https://i5.walmartimages.com/asr/9b042fe0-5e3c-4fa6-908b-25a743791a32.bcd762661b5200123f4cb84bdb179810.jpeg)
HOTBEST Bird Spikes, 5 Metre Pack Bird Spikes Deterrent Anti Perch Control Repeller, For Pigeons Small Birds,Stainless Steel Bird Spikes -No More Bird Nests & Poop-Disassembled Spikes - Walmart.com
![Amazon.com : Bird-X STS-100 Regular Width 6-inch Stainless Steel Bird Spikes, Metal Roof Guard Pigeon Prevention, Rodent Deterrent, Animal and Pest Control Supplies, 100 feet : Bird Repellents : Patio, Lawn & Garden Amazon.com : Bird-X STS-100 Regular Width 6-inch Stainless Steel Bird Spikes, Metal Roof Guard Pigeon Prevention, Rodent Deterrent, Animal and Pest Control Supplies, 100 feet : Bird Repellents : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/61uRwlENSeL._AC_SX425_.jpg)
Amazon.com : Bird-X STS-100 Regular Width 6-inch Stainless Steel Bird Spikes, Metal Roof Guard Pigeon Prevention, Rodent Deterrent, Animal and Pest Control Supplies, 100 feet : Bird Repellents : Patio, Lawn & Garden
The five types of commercially available perch deterrents we evaluated... | Download Scientific Diagram
![HOTBEST 12x Bird Spikes Kit Stainless Steel Anti Bird Fence Pigeon Deterrent Seagull Repeller Anti Climb Security Metal Wall Fence Anti Perch Control - Walmart.com HOTBEST 12x Bird Spikes Kit Stainless Steel Anti Bird Fence Pigeon Deterrent Seagull Repeller Anti Climb Security Metal Wall Fence Anti Perch Control - Walmart.com](https://i5.walmartimages.com/asr/b42cfabc-c4bb-4d4c-8712-152e74f10873.f165f44d647a2826150744c0716bbcc2.jpeg)
HOTBEST 12x Bird Spikes Kit Stainless Steel Anti Bird Fence Pigeon Deterrent Seagull Repeller Anti Climb Security Metal Wall Fence Anti Perch Control - Walmart.com
![Amazon.com : Bird Spikes for Pigeon Small Birds, Bird Repellent Deterrent Spikes Stainless Steel Anti Bird Spikes, Covers 12Feet : Patio, Lawn & Garden Amazon.com : Bird Spikes for Pigeon Small Birds, Bird Repellent Deterrent Spikes Stainless Steel Anti Bird Spikes, Covers 12Feet : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/71KlP0SF5kL._AC_SL1001_.jpg)