Why Do Baby Chicks Open Their Mouths?

If you’ve noticed that your baby chicks frequently open their mouths, it’s natural to be concerned. While mouth opening may seem normal in baby chicks, it could indicate an underlying health issue that requires veterinary attention.

baby chick opening mouth

To better understand why your baby chicks are constantly opening their mouths, let’s explore the possible reasons behind this behavior.

Various Reasons for Baby Chicks Opening Their Beaks

There are several reasons why baby chicks open their beaks. It could be due to high temperatures, respiratory problems, or even an impacted crop.

High Temperature

In the summer, baby chicks can experience heat stress. If your chicks are constantly opening their beaks during hot weather, it indicates that they are getting too hot and are trying to cool themselves down through panting. They may also spread their wings, develop pale cones and wattles, and close their eyes frequently.

To help your baby chicks stay cool, provide them with plenty of cold water and ensure multiple water sources are available. Using a water mister can also help by spraying a cooling mist on the chicks. Additionally, consider installing a fan in the coop to cool the air.

Impacted Crop

An impacted crop occurs when a baby chick’s crop becomes overloaded with undigested food. This can happen if they consume hard-to-digest materials such as hay or rigid plant material. Dealing with an impacted crop can be challenging and should be discussed with a vet. They can conduct investigations and tests to determine the cause and recommend appropriate action.

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To prevent impacted crops, avoid providing rigid food items such as hard feed or pellets to your baby chickens.

Throat Irritation

Baby chicks can experience throat irritation from consuming contaminated material while foraging in your backyard. This can include fungal or bacterial substances or food with corrosive chemicals. They may swallow these irritants unknowingly, as chickens have complex throat structures that make it difficult for them to expel foreign objects.

If you suspect throat irritation, consult a vet who can perform an x-ray to identify the irritants. They will then advise on the best course of action. Alternatively, you can try giving your baby chicks some olive oil using a dropper bottle to soothe their throats.

Respiratory Problems

Baby chicks have weaker respiratory systems than adult chickens, making them more susceptible to respiratory problems. Respiratory issues can cause difficulty breathing, leading baby chicks to open their beaks as they try to get more air. It’s important to consult a vet to diagnose and treat respiratory problems, as they can be highly infectious and spread among the flock.

Separate affected baby chicks from the rest of the flock to prevent further transmission. Administering antibiotics can also be beneficial, but remember to vaccinate all baby chicks in the flock beforehand.


Sometimes, baby chicks open their beaks simply because they are yawning. This can occur when they are hungry, thirsty, or adjusting their crops. Yawning is a natural process and not a sign of illness.

To prevent excessive yawning, ensure your baby chicks have access to sufficient food and water. Providing softer food can help them adjust their crops more easily. If dry feed is given, ensure water is available to prevent blockage.

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Gapeworm is a common parasitic infection in baby chicks and adult chickens. It affects the throat, causing chicks to constantly open their beaks, wheeze, and gasp. Gapeworm can easily spread to other chicks in the flock and should be treated promptly.

To address gapeworm, consult a vet who can prescribe liquid medicine or powdered worming medication. However, keep in mind that gapeworm may reoccur and require continued treatment.


While baby chicks opening their mouths may seem odd, it’s important to determine the cause behind this behavior. If the chicks are experiencing health problems like respiratory issues or parasitic infections, it’s crucial to address them promptly.

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