The nostril openings are located on the upper beak of the budgie, just above the cere. In young budgies, the ceres are typically pink, but they can change colour as the budgie ages and matures. The colour of the ceres can also indicate the gender of the budgie, with males typically having blue or purple ceres, and females having brown ceres.
Here are some common reasons why a budgie may have a red nose:
1. Injury: A red nose can sometimes be a sign of an injury, such as a cut or abrasion. If the nose is bleeding, it is important to take the budgie to a veterinarian for treatment.
2. Infection: A red nose can also be a sign of an infection, such as a bacterial or fungal infection. If the nose is swollen or has a discharge, it is important to take the budgie to a veterinarian for diagnosis and treatment.
3. Allergic reaction: A red nose can sometimes be a sign of an allergic reaction, such as an allergy to dust, pollen, or certain foods. If the budgie is also sneezing or has watery eyes, it is important to remove the allergen from the environment and take the budgie to a veterinarian for treatment.
4. Moulting: Budgies often go through a period of moulting, during which they lose their old feathers and grow new ones. This process can cause the skin around the nose to become red and irritated. If the budgie is otherwise healthy, there is no need to be concerned about a red nose during moulting.
5. Stress: Stress can also cause budgies to develop a red nose. If you notice other symptoms of stress, such as feather plucking, lethargy, or changes in appetite, it is important to remove the source of stress and provide your budgie with a calm and comfortable environment.