Website review
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What is CatBib?
CatBib is a patented cat collar attachment designed to stop cats from killing birds and other wildlife. It is a small, soft piece of neoprene that hangs from the collar and interferes with a cat's ability to stalk and pounce. The site describes it as an alternative to bells and other deterrents that often fail.
How it works
The CatBib is not a bell or a sonic device. It is a physical flap that dangles from the collar. When a cat crouches or moves to pounce, the flap gets in the way and breaks the cat's focus, giving birds and small wildlife time to escape. The site says it is designed to protect all wild birds, including songbirds, and other wildlife whenever your cat is outdoors.
What the site claims
The page presents several figures and claims:
- The CatBib is estimated to have saved over 1.8 million birds.
- Cats kill approximately 2.4 billion birds every year.
- Outdoor cats contribute to 33 extinctions globally.
- The average house cat kills 2 animals every week.
These are the site's own claims and citations, not independent findings I verified.
Construction and styles
The CatBib is made from durable neoprene with strong stitching and a Velcro attachment. It is described as highly visible. The site offers several styles and sizes, including small and large versions in colors such as purple, rainbow, and turquoise. Size selection is based on your cat's aggression level, not the cat's physical size.
Who it is for
This product is aimed at cat owners who let their cats outdoors and want to reduce hunting without keeping the cat inside. It is also relevant to gardeners and bird feeders who own cats, since the inventor was described as a bird-feeding, cat-loving gardener. The site also sells collars designed to stay on while balancing safety and effectiveness.
Practical considerations
If you are deciding whether to try it, the key question is whether your cat is an active hunter. The site's own sizing guidance says to choose based on aggression, so a highly predatory cat may need the larger size. The main trade-off is that the CatBib works only when the cat is wearing it, and it depends on the collar staying on. The site addresses this with its own collar line.
A useful next step is to check the site's sizing guide and field trial results before ordering, since the correct size depends on your cat's behavior rather than its measurements.
For more detail, see CatBib.
How does the CatBib work to stop cats from killing birds?
The CatBib works by hanging a soft, lightweight flap from your cat's collar so it interferes with the precise timing and body positioning a cat needs to pounce. It is not a bell or a warning device: it is a physical barrier that gets in the way at the moment of the hunt, which is why the site frames it as a hunting deterrent rather than a bird alarm.
What it actually changes
Cats stalk, freeze, then spring. The CatBib's flap swings into the cat's line of movement and disrupts that sequence, so the final strike fails often enough that many cats give up. According to the site, the product was invented by a bird-feeding, cat-loving gardener in Springfield, Oregon, after bells and other deterrents did not work, and it is described as patented and university tested.
The page also reports field-trial results showing fewer birds attacked, and estimates the CatBib has saved over 1.8 million birds. Those are the manufacturer's figures, not independent numbers, so treat them as marketing claims rather than measured outcomes in your own yard.
Practical details from the page
- Attachment: Velcro, with strong stitching and durable neoprene.
- Visibility: described as highly visible, which helps you spot it and may make the cat easier for prey to notice.
- Sizing: the site says size depends on your cat's aggression level, not the cat's body size.
- Range: several styles and sizes, plus matching collars designed to stay on while releasing safely if snagged.
Who it suits, and the trade-offs
It fits owners of outdoor or indoor-outdoor cats who want a non-lethal, collar-based solution and are willing to check the collar and flap regularly. The trade-offs are real: a hanging flap can snag on fences or brush, so a breakaway collar matters; some cats lose or remove collars; and results vary by cat, since a determined hunter may adapt. If your cat is fully indoor, the bird-killing problem is usually better solved by keeping it inside or in a catio, where no device is needed.
A concrete scenario
Say your cat brings a bird to the door most weeks. You fit a CatBib sized for a high-drive hunter, use a breakaway collar, and check the flap daily for wear. Over a few weeks you log what your cat brings home. If the number drops, the device is doing its job for your cat; if it does not, you have learned that this particular cat needs supervision, a curfew at dawn and dusk, or an enclosed outdoor space instead.
Next step
Read the sizing guidance before buying, since the site ties size to aggression rather than cat size, and compare the CatBib with a bell-and-collar setup to see which fits your routine. For background on the bird side of the problem, the American Bird Conservancy covers cats and birds, and Humane World for Animals has practical advice on keeping cats and wildlife apart.
Which size CatBib should I choose for my cat?
Choose the CatBib size based on your cat's hunting aggression, not your cat's body size. The site states this directly: whether to choose a small or large CatBib depends on how aggressive a hunter your cat is, not how big the cat is.
That means a large, placid cat may still do fine with a small CatBib, while a small but relentless hunter may need the large size. The small and large versions are the two options shown, and the site provides a dedicated size guide page.
A practical way to decide
- Small: a better starting point if your cat mostly watches birds, rarely brings prey home, or hunts only occasionally.
- Large: consider this if your cat stalks, pounces, or catches birds and wildlife frequently, or if a smaller deterrent has already failed.
- Uncertain? Treat the small size as the default first try and move up only if hunting continues. Size is about how much the device interferes with the cat's hunting motion, so a more determined hunter needs more interference.
What to check before ordering
- Confirm your cat will wear a collar, since the CatBib attaches to one. The site also sells collars designed to stay on with a safety release.
- Remember that availability varies by style and color, so your preferred size may be out of stock in one pattern but available in another.
For the official guidance, see the size selection section at CatBib.
What collar should I use with a CatBib?
Use the collar CatBib itself sells or recommends for its bibs: the page presents a dedicated CatBib collar as “the perfect balance of safety and effectiveness,” designed to stay on while releasing under load. If you already own a collar, it can work only if it has a breakaway or quick-release safety feature and enough width and stitching to hold the bib’s Velcro attachment securely.
Why collar choice matters with a CatBib
- The CatBib attaches over the chest and hangs below the neck, so it adds pull and snag risk that an ordinary collar was not designed for.
- A breakaway collar is non-negotiable for an outdoor cat: if the bib catches on a fence, branch or brush, the collar must release rather than trap the cat.
- A collar that releases too easily will drop the bib and end the protection; a collar that never releases creates a strangulation hazard. That trade-off is exactly what CatBib says its own collar is built to balance.
- Fit matters as much as the model: snug enough that the bib stays centered on the chest, loose enough to slip two fingers underneath.
Practical next step
Check your cat’s current collar for a breakaway clasp and a sturdy attachment point. If it lacks either, order the CatBib collar when you order the bib, since the bib’s size depends on your cat’s hunting aggression rather than its body size — so get that sizing question settled at the same time.
If your cat has repeatedly escaped collars, or has never worn one, introduce the collar alone for a few days before adding the bib, then supervise the first outdoor sessions. For background on the bib concept and field-trial claims, see CatBib.
Is the CatBib proven effective by scientific testing?
Yes. The CatBib is described on its own site as university tested and "proven to stop cat hunting and killing," with field trial results cited for fewer birds being attacked by cats. The page also states the product is patented and estimates it has saved over 1.8 million birds. That is the manufacturer's summary of the evidence, so treat the specific test results as product claims rather than independently verified findings.
H3. What the claim means in practice A field trial typically compares hunting behaviour in the same cats with and without the device, which is more useful than a simple testimonial. The trade-off is that results from one trial may not transfer perfectly to every cat, habitat or prey species. A cat that hunts rodents, lizards or insects may respond differently from one that mainly takes birds.
How to judge it for your own cat
- If your cat already wears a collar safely, a bib-style deterrent is a low-effort thing to trial.
- Track results yourself: note prey brought home in the weeks before and after fitting it.
- Pair it with other measures, such as keeping your cat in at dawn and dusk, when bird activity peaks.
- If your cat loses collars easily, a breakaway collar that stays on matters as much as the bib itself.
For background on the scale of the problem, the Cornell Lab of Ornithology at Cornell Lab of Ornithology and the American Bird Conservancy at American Bird Conservancy publish cat-predation research.
Next step: read the site's field trial and FAQ pages, then run your own four-week before-and-after count of prey your cat brings home.
How much does the CatBib cost and where can I buy it?
The CatBib is sold directly through the CatBib store on catgoods.com, which is the primary place to buy it. The site lists Small and Large CatBibs in several colorways (for example, Small in Purple and Rainbow, Large in Turquoise and Rainbow), and some sizes or colors show as out of stock, so availability varies by variant. The store also sells matching cat collars described as staying on while balancing safety and effectiveness.
Pricing is not stated in the information provided here, so I can't give a figure. CatBib is a small, specialized manufacturer rather than a mass-retail brand, so third-party listings are inconsistent and often marked up. Buying direct is the most reliable route for current price, size and color availability.
A practical next step: decide between Small and Large based on your cat's hunting aggression, not the cat's body size, since that is the site's stated sizing logic. Then check the store page for the specific color you want, because out-of-stock variants are common. If you want to compare the concept with other bird-safe cat products, the manufacturer's own site is the best starting point: CatBib.
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