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I have experienced very little predation and have not felt the need of anything other than extra thick entrances.

conduit with PVC baffle and cap mounted on hose clamp. Easy, not too expensive. Doesn't look great though.

Metal poles & stovepipe baffles are cheaper than the commercially made baffle & seems to work just as well.

I have not had a problem with predators.I find both PVC and Stove pipe baffles to be equally effective.

24" tall baffle and 6" in diameter

The large diameter stovepipe, secured with 4" nails (pipe does not touch post, nor does it rattle), has worked well so far. The top is covered with hardware cloth.

Stovepipe baffle

I use rain downspout with the 2x4 inside. It has been very effective as I have had no predation at all from cats, coons, etc.

Guards

Stovepipe baffle has been very effective for me. It stopped all snake predation which was the predator I was dealing with.

I plan to add baffles within the next week, I'm considering the stove pipe.

The one in my yard has a snake baffle. I have never had a snake caught in it. I do not know if you call that "effective" in that if a snake tried to go up the pole, he would be caught and I would see it.

I use 3/4 inch conduit. I steel wool the conduit and add a quick coat of auto wax each year. takes a minute.

My baffle's name is Max. He's a K9, terrier mix.

I find that a commercially made squirrel baffle on a 1/2 inch conduit pipe works best. The pipe is skinny and smooth, and the baffle wobbles. When the two are used together it makes it difficult for climbing mammals to get to the nestbox. As a matter of fact, I have never lost any birdsto climbing mammals using this system.

Most are polished & greased 1/2" conduit. PVC set in the ground and greased is used around fence posts. Bird netting is effective at catching black rat snakes. Stovepipe baffles are a pain. All of the above appear to have been effective.

this is the first year I have had this one.

Metal pole and stovepipe baffle are easy to install and don't deteriorate.

we don't have really many problems with predators. we have been lucky so far. We have dogs in our yard and we have no outside cats. So for us along our fence works well. And a baffle tends to keep away the raccoons and snakes (if dog hasn't already chased them away)

this box was put up by the golf course personnel but seems to work fine.

The nestbox is deep and the hole is at the top front of the box. I have never had a problem with predators.

smooth poles sprayed with silicone

Stovepipe, keeps out a wider variety of invaders.

Aluminum flashing around post - stopped flying squirrels.

This will be only my second year with my nestboxes, but I plan on getting baffles this year.

3/4" metal post and stovepipe baffle for wooden boxes. Bucket baffle on Gilbertson boxes because of height.

I have not had a ground predator problem using the stovepipe baffle so right now, it is the most effective because its the only one I use.

I use a slick metal pole with a cheap, homemade stovepipe baffle. The only predator problems I have had have been HOSP. I have since put sparrow spookers after the first egg is laid. I have also become very aggressive with control measures (trapping) and have found that by reducing the population of HOSPs, the pressure for nesting sites has diminished.

conduit, because raccoons can't climb; clear baffles sold@ home depot. They are super slick and tilt when predator grabs. Best is the price, less than 10$ each in the lawn&garden section. Lost no Bluebirds on 2 trails last year after installing.

Mounting of both feeders and nestboxes always on 3/4 inch conduit/pipe fitted with a stovepipe baffle. I have been using this combo on feeders for years and never had a squirrel get by it. You must always place feeder/nestbox at least 8-10 feet from trees or overhanging branches to keep predators from jumping to it. Also, nestbox should be mounted no less than 5 ft from the ground.

N/A

slick metal pole w/stovepipe baffling is all I've ever used . . . never had a predation problem from non-flying predators.

After cutting the correct size in the center of the plastic frisbees, we slid the 4 frisbees through the wooden pole. It was there all the time.

Same as my trail, with conduit over rebar for ease in installling, moving. Stovepipe baffles effectively keep out all predators but bears and avian.

I have a galvantise pipe, cemented to the ground

I'm very happy with the commercial raccoon baffles that I use. A squirrel baffle will not stop a raccoon.....I switched all of my feeder baffles from squirrel baffles to raccoon baffles after finding expensive seed completely eaten during the night. I figure that keeping the raccoons out of my seed might also keep them out of my back yard.

Boxes are mounted on metal pipe, eight feet above ground. This prevents local house cats from access. Since the boxes are in our yard close to the house we have had no problem with snake,raccoon or human predation. The only problems we have encountered are from house wrens and apparent pesticide poisoning. Both are difficult to control.

Mine are mounted on 1.5" pipe with no baffles. So far I haven't had a predator problem.

The Raccoon baffle has worked for us