Winter Care for Macaws: Cold Weather Safety, Drafts, and Indoor Humidity

There is no single winter number that fits every macaw, because age, health status, acclimation, feather condition, and room airflow all matter. Merck notes that birds usually do well at temperatures comfortable to people, and VCA says healthy birds often tolerate gradual temperature changes of about 10°F to 20°F better than sudden swings.

A room that stays consistently comfortable for your household is usually a reasonable starting point. Trouble is more likely when a cage sits near a cold window at night, beside a frequently opened door, or directly under a vent that blows hot or cold air. Those microclimates can make one part of the cage much colder than the room thermostat suggests.

If your macaw is older, underweight, ill, recovering from illness, or showing any breathing changes, your vet may recommend a warmer and more stable environment than usual. Panting, holding wings away from the body, or agitation can mean overheating, so avoid aggressive warming without veterinary guidance.

Move the cage away from windows, exterior doors, fireplaces, and direct vent flow. Merck specifically advises avoiding windows and air-conditioning areas because birds can get too hot or too cold there, and suggests increasing room temperature or moving the cage away from drafty windows or vents when it gets cold.

Use practical fixes first: weather-strip a drafty window, redirect a vent, close blinds at night, and keep the cage off the floor if that area runs colder. If you use a room thermometer and hygrometer near the cage, you can catch overnight drops and dry air before your macaw shows stress.

Be careful with cage covers. A light cover used for sleep may be fine for some birds, but heavy covering to trap heat can reduce airflow and create uneven temperatures. It is usually safer to warm the room itself than to try to create a hot pocket around the cage.

Dry indoor air can affect feathers, skin, nares, and the respiratory tract. VCA lists 40% to 50% humidity as ideal for most birds, and Merck notes that higher humidity helps keep air passages clear and moist, especially when a bird is ill.

For many homes, winter humidity drops when the heat runs constantly. A clean cool-mist humidifier in the room, supervised bathing, or warm-water misting can help some macaws feel more comfortable. The goal is moderation, not a damp room. Excess moisture can encourage mold growth, which is also a respiratory risk.

If you add humidity, clean the device exactly as directed and avoid scented additives. Birds are highly sensitive to inhaled particles and fumes, so skip essential oils, fragrance cartridges, and medicated vapor products unless your vet has specifically told you to use something.

Winter often brings more indoor air pollution, and that can be more dangerous to a macaw than cool air alone. VCA and ASPCA both warn that birds are extremely sensitive to airborne toxins. Overheated PTFE-coated cookware and appliances can release fumes that are rapidly fatal to birds, and smoke, aerosols, candles, and some cleaners can also irritate or injure the respiratory tract.

Keep your macaw out of the kitchen and away from self-cleaning ovens, nonstick cookware, space heaters with questionable coatings, fireplaces, cigarette or cigar smoke, incense, and essential oil diffusers. If you need supplemental heat, choose the safest room-based option you can, keep it well away from the cage, and ask your vet if your setup is appropriate for a bird household.

Carbon monoxide is another cold-weather concern. Birds are especially sensitive because of their respiratory system, so working carbon monoxide detectors are a smart part of winter safety.

Watch for behavior changes first. A macaw that stays fluffed, tucks up quietly for long periods, avoids movement, or seems less interested in food may be telling you the environment is not right. Dry skin, poor feather condition, and increased scratching can also show up when indoor air is very dry.

Respiratory signs need faster attention. Open-mouth breathing, tail-bobbing, wheezing, voice changes, nasal discharge, or reduced activity are not normal winter quirks. VCA notes that direct airflow is unhealthy, but drafts alone do not cause a cold; these signs can point to real respiratory disease or toxin exposure.

Because birds often hide illness, do not wait for severe signs. If your macaw looks chilled, weak, or short of breath, see your vet promptly.

Aim for a stable room temperature that feels comfortable to people, with the cage away from windows, doors, and vents. Check humidity near the cage and try to keep it around the moderate range your vet recommends, often near 40% to 50% for many pet birds. Offer bathing or misting opportunities if your macaw enjoys them and your vet agrees.

Keep the environment clean and low-fume. Avoid nonstick heating and cooking risks, scented products, smoke, and aerosol sprays. If your home gets very dry, a well-maintained humidifier may help. If your bird is older, sick, or newly adjusting to your home, ask your vet whether your macaw needs a narrower temperature range or extra monitoring through the winter months.