Fly control

That doesn't look like near enough housing. It seems like if you put up a couple houses way more show up and invade your barns and porches and things. They can make a real mess.

Yep they always show up here in more number than available housing and make nests under the porch, on outdoor lights, under the eves of every building. Then you end up with mountains of poop on everything, and it can and will eat the paint off equipment and vehicles.
 
Yep they always show up here in more number than available housing and make nests under the porch, on outdoor lights, under the eves of every building. Then you end up with mountains of poop on everything, and it can and will eat the paint off equipment and vehicles.
The tree swallows are slightly different than the barn swallows that make the big mess. We have had a pair nest on our porch for 5 or more years with no mess.
 
Just depends how polite your birds are. I've also heard people say their barn swallows don't make messes either.

I have both barn and tree swallows here in the summer and they all make horrible messes. I walk around a couple times a week with a pole and knock their nests down.
 
I suspect the claim of them eating 8000 flies/day is similar to the claim of possums eating thousands of ticks/day. Entirely made up. Certain years I've had dozens of swallows and martins here through summer, and I sure didn't notice a difference in flies. I do like hearing the martins. The swallows just **** on everything.
 
Enjoy the martins & tree swallows for what they do. Don't count on them having any impact, whatsoever, on horn fly populations. They are not going to light on cattle and pick them off, and the flies - since they feed 20-30 times a day - and mostly only leave the cow to lay eggs in fresh manure pats. They're not flying around up in the air where they'd be prey to martins/swallows.
 
Enjoy the martins & tree swallows for what they do. Don't count on them having any impact, whatsoever, on horn fly populations. They are not going to light on cattle and pick them off, and the flies - since they feed 20-30 times a day - and mostly only leave the cow to lay eggs in fresh manure pats. They're not flying around up in the air where they'd be prey to martins/swallows.
You may be correct and you usually are but here is why i wanted to try it. Screenshot_20250316_115313_Google.jpg
 
Just depends how polite your birds are. I've also heard people say their barn swallows don't make messes either.

I have both barn and tree swallows here in the summer and they all make horrible messes. I walk around a couple times a week with a pole and knock their nests down.
i find this hard to "swallow". (just joking) i do not believe i have encountered swallows in the places that i frequent. would be great if had some to help with flies, mosquitoes, etc.
 
We never really dealt with the swallow living on our porch but the Eastern Phoebe (another flycatcher) would come and make nests every year on our wrap around porch fans every year. After I redid the deck and replaced the fans I wasn't dealing with that anymore so the fans run pretty much 24/7 and that keeps them off the porch.

The barn swallows are a welcome sight and you can't tell me swallows don't put at least a dent in the fly population. All they seem to do is fly around eating and feeding their young. Start up a lawn mower or start brush hogging and they are there.
 

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