Birdsbesafe® Geodelic Cat Collar Cover for Birds - Bird Warning Cat Collar, Scientifically Proven to Help Prevent Your Cat from Catching Birds - Please Purchase Breakaway Collar Separately

This is the 2nd one I have bought. Though not 100% effective, it does cut down significantly on her success rate.

These really work. My cat hasn't caught any birds since I put it on her. She doesn't mind wearing it, either.

Just received the collar cover today. I bought this because I have a serial bird killer. Killing my yellow finches is forbidden. He does have a bell. Which has helped. But, I’ve had to ramp up my game. So here we are, if I had an ounce of sewing skill I could have made it myself. But, It’s fine. Easy to put on the collar. Looks well made. Doesn’t seem to bother Fitzwilliam in the least. He did drink from his water fountain. I do see the potential for it to get splashed by the fountain. We’ll see. I think he looks adorable. I’m sure my husband will think he looks goofy. Since I’ve just put it on I will update this if he kills a bird. If it’s not updated you can assume his killing spree has ended or he hasn’t been caught. 😬

I think these work! Of course the cats don't like the collar during wet weather, dew on the grass, or during the summer when temps rise. Always use a brake away collar. They really don't survive too well being run over with lawn mower - but do survive if left hanging from a tree limb along with the brake way collar. Between the collar & this bird deterent, you will spend $30+ but I really didn't intend to have 5 to 6 cats when we established a Purple Martin colony. p.s. I do NOT rely on these collars as the only predator deterrent. Fencing and water squirt bottles reinforce "stay away cat!" Get a quality brake away collar.

I was very dubious, but ever since we put this thing on our bird-killer cat Odin four months ago, he has gotten exactly one bird, and he had been good for at least one a week. (Moreover there were indications that the one he did bring home may have been the work of another cat or a death from natural causes.) These collars are expensive, but the birds are worth it. Be sure you get a good-quality cat-collar to go with it -- once that's a breakaway design but sturdy -- or your cat will come back without it and that runs into money. And Odie is so cute wearing it! Kind of a Caribbean/Elizabethan look.

This was a great buy; in fact, I bought another one for my neighbor's cat. I loved the colors and patterns. It works as advertised and my cat hasn't brought in any unexpected prey or has been able to catch any birds since. It's durable and I've put it in the washer several times and has not frayed or torn. I love the reflectors for when I am looking for my cat at dusk. I was skeptical of whether it would work and it sounded too good to be true but its super-effective. So happy I bought this. I wish I had gotten them sooner.

Did not prevent my cat from killing birds.

It works. Without a doubt the rate of birds brought in is much lower when our boy has this on. He can still catch them but without the collar cover he catches a bird almost daily.