Bat Catcher: Safe Indoor Removal and Rabies Risk

Catching a bat safely, whether it’s a single animal flying around your living room or a colony roosting in your attic, requires the right approach and the right gear. The method depends entirely on the situation: a lone bat indoors calls for a simple container trap, while an established colony requires a longer exclusion process using one-way valves. Both scenarios carry a small but real rabies risk, so protective equipment matters every time.

How to Catch a Single Bat Indoors

If a bat is flying around a room, your first move is to close the doors so it stays contained. Do not try to catch it mid-flight. You risk injuring the bat and yourself. It will land eventually, usually within a few minutes, and that’s when you act.

The simplest technique works exactly like catching a spider. Place a shoebox or similar container over the bat where it has landed, then slide a piece of stiff cardboard underneath to seal the opening. If the bat has landed somewhere that makes this impossible, drape a soft cloth or tea towel over it, gently scoop it up, and place it in the box. Wear leather gloves for either method, especially the hands-on approach.

Before you place the bat inside, prepare the box. Punch small air holes in the lid, line the bottom with a cloth the bat can hide under, and add a shallow water source like a plastic milk bottle cap with a few drops of water. Not enough to drown in, just enough for a drink. Do not add fruit or food. Bats eat insects and have specialized diets that household food won’t satisfy.

Keep the box somewhere quiet, dark, and indoors while you call your local wildlife helpline or animal control to determine next steps.

Protective Gear That Actually Works

Glove choice matters more than most people realize. A study published in the Journal of Wildlife Management tested 18 leather gloves and several synthetic alternatives against bat bites. Cotton gloves, plastic-coated synthetics, and even materials marketed as puncture-resistant were all easy for bat teeth to penetrate. Leather was the clear winner, but the type of leather made a significant difference.

Split cowhide work gloves (the rough, suede-textured kind) offered the highest puncture resistance, with an average thickness around 0.77 mm. These are your best option for larger bats. Deerskin work gloves, at a similar thickness of about 0.74 mm, balance protection with enough dexterity to handle smaller bats without crushing them. Thin goatskin gloves, only 0.24 mm thick on average, can resist bites from only the smallest species.

For your face, covering your nose and mouth while containing the bat is recommended. A proper mask works, but a tea towel or T-shirt pulled over your face is sufficient.

Removing a Colony With One-Way Exclusion

When bats have colonized an attic, chimney, or wall void, catching them individually isn’t realistic. The standard professional approach is exclusion: letting every bat leave on its own and preventing re-entry. This is a multi-day process, not a single-night fix.

One-way exclusion devices come in two main forms. The first is a tube, typically two inches in diameter and about 10 inches long, made from PVC pipe, flexible plastic tubing, or even a cleaned-out caulking tube with both ends cut open. The tube is secured over the bats’ entry point with no more than a quarter inch protruding inside. Bats can crawl out through the smooth interior but can’t grip the surface to climb back in. For extra security, a sleeve of lightweight clear plastic can be taped around the outer end. It collapses on itself after a bat pushes through, blocking re-entry.

The second option is lightweight plastic netting with a mesh size of one-sixth of an inch (about 4 mm) or smaller, draped over entry points on flat surfaces like walls or attic louvers. The netting hangs loosely enough that bats can crawl out from behind it but can’t find their way back under.

Both types of devices need to stay in place for a minimum of five to seven nights. This ensures every bat in the colony, including those that may not fly every night, has time to exit. After the exclusion period, you permanently seal every opening.

Timing Restrictions You Can’t Ignore

Bat exclusion is legally restricted during certain times of year because of maternity season. When pups are born in late spring and early summer, they can’t fly. Sealing adults out would trap flightless young inside to die, which is both inhumane and illegal in many jurisdictions.

Exact dates vary by state. In Ohio, for example, exclusion is prohibited from May 16 through July 31 when five or more bats are present, and again from October 15 through March 31 if any bats are present (the winter restriction protects hibernating bats). That leaves two narrow windows: early April through mid-May and August through mid-October. Most states follow a similar pattern. Check with your state wildlife agency for local dates before starting any exclusion work.

Rabies Risk and What to Do About It

Rabies is the reason every bat encounter gets taken seriously, even though the actual infection rate in wild bats is low. The concern is that bat bites can be tiny enough to go unnoticed, especially during sleep. If you wake up and find a bat in the bedroom, or if a bat was in a room with an unattended child or someone who couldn’t report a bite, public health authorities treat that as a potential exposure.

For healthy adults who find a bat indoors with no known physical contact, the risk is very low. But if there’s any possibility of a bite or scratch, post-exposure treatment involves thorough wound washing, an injection of rabies immune globulin, and a series of four vaccine doses given on days 0, 3, 7, and 14. People who are immunocompromised receive a fifth dose on day 28. Someone who has been previously vaccinated against rabies needs only two doses, on days 0 and 3, and skips the immune globulin entirely.

Rabies treatment is nearly 100% effective when started promptly. The key is not to delay if there’s genuine uncertainty about contact.

Preserving a Bat for Rabies Testing

If you’ve captured a bat after a possible exposure, your local health department can test it for rabies, which may spare you the vaccine series. How you handle the specimen matters.

Bats must be submitted whole and intact so the lab can identify the species and test the brain tissue. The critical rules: do not freeze the bat, do not damage the head, and do not place it in any chemical preservative. Freezing delays results and can damage the brain tissue that the lab needs. Instead, chill the bat to refrigerator temperature (roughly 35 to 46°F) using cold gel packs.

For packaging, double-bag the bat in sealed, leakproof zip-top bags. Place these inside an insulated container, like a polystyrene box inside a cardboard box, surrounded by enough cold packs to keep the specimen cold for at least 48 hours. Do not use dry ice. Layer absorbent material like newspaper or paper towels between the bags and the container walls to catch any leaks. Contact your local health department before shipping, as most have specific submission forms and designated labs.