Why Is My Cockatiel Losing Weight? (Tips to Gain Weight)

If your cockatiel loses weight, it could be due to several factors. It could be that they are not getting enough or the right food. They may have an underlying medical condition causing them to lose weight.

why is my cockatiel losing weight

If you are concerned about your cockatiel’s weight loss, take them to the vet for a check-up.

If your cockatiel is losing weight, it could be due to several reasons. Perhaps your bird isn’t getting enough food, or the food it is eating isn’t nutritious enough. It could also be that your cockatiel is sick and unable to absorb nutrients properly.

If you’re concerned about your bird’s weight loss, take it to the vet for an examination.

How Can I Get My Cockatiel to Gain Weight?

why is my cockatiel losing weight
Credit: www.allaboutparrots.com

If your cockatiel is too thin, there are a few things you can do to help him gain weight.

Take It to a Vet

First, take him to the vet to ensure no underlying health problems are causing his weight loss.

Increase Food Amount

Once you’ve ruled out any medical causes, you can try increasing his food intake and offering higher-calorie foods. Good foods to provide a cockatiel who needs to gain weight include:

  • High protein foods like cooked eggs, chicken, fish, or tofu -Nuts and nut butter.
  • Vegetables like carrots, sweet potatoes, squash, and dark leafy greens.
  • Fruit like applesauce, bananas, or mangoes

In addition to increasing the food you offer your cockatiel daily, you can also try giving him several small meals throughout the day instead of one large one. Some birds also prefer shredded or chopped food into smaller pieces so they can eat it more easily.

Give Liquid Food Necessary

If your bird has trouble eating solid foods due to illness or injury, you can give him liquid supplements designed for birds, such as NutriBird A14 or AviCakes Plus. Offering your cockatiel a variety of healthy foods will help him gain weight and provide essential nutrients he needs for good health.

What Causes Birds to Lose Weight?

There are many potential causes of weight loss in birds, and it can be challenging to determine the exact cause without a thorough examination by a veterinarian. However, some common causes of weight loss in birds include:

  • parasites,
  • malnutrition,
  • disease,
  • and stress.


Parasites can drain a bird’s nutrients and energy, causing them to lose weight. Common parasitic infections in birds include Giardia and Trichomonas. These parasites are typically transmitted through contaminated food or water or contact with an infected bird.

Symptoms of parasitic infection may include diarrhea, vomiting, poor appetite, and weight loss. If you suspect your bird has a parasite infection, take them to the vet for treatment. Malnutrition is another common cause of weight loss in birds.


Birds need a balanced diet to stay healthy and maintain their proper weight. If a bird is not getting enough nutrients from their food, it may start to lose weight. Signs that your bird may be malnourished include feather picking, lethargy, and dull plumage.

A trip to the vet can help you determine if your bird is malnourished and recommend a course of treatment. The disease can also lead to weight loss in birds.


Some diseases that commonly affect birds and cause weight loss include Newcastle disease, psittacine beak and feather disease (PBFD), avian influenza, and aspergillosis.

Many of these diseases are contagious, so it’s essential to take your sick bird to the vet right away to prevent the spread of illness among your flock. Weight loss due to disease will usually occur gradually over time as the bird loses their appetite And becomes too weak to eat Proper diagnosis and treatment by veterinarians are essential for sick birds.

Why is My Cockatiel So Skinny?

There are many potential reasons why your cockatiel might be skinny. It could be because they’re not eating enough or a sign of an underlying health condition. If you’re concerned about your cockatiel’s weight, take them to a vet to rule out any medical causes.

One potential reason for weight loss in cockatiels is insufficient nutrition. Cockatiels need a diet that consists of pellets, fresh vegetables and fruits, and occasional seeds or nuts as treats. If your bird isn’t getting enough of these nutrients, it may start losing weight.

Ensure you feed them a balanced diet and provide fresh food and water daily. Another possibility is that your cockatiel is sick. Weight loss can be a symptom of various illnesses, including bacterial infections, parasites, cancer, and liver disease.

If you notice your bird acting differently or appearing lethargic, make an appointment with the vet immediately. They can run tests to determine if there’s an underlying health issue causing the weight loss. If you love your cockatiel and want to keep them healthy and happy, pay attention to their weight and diet.

By catching any potential problems early on, you can help ensure your feathered friend’s long and healthy life!

How Do I Know If My Cockatiel is Underweight?

If you are concerned that your cockatiel may be underweight, there are a few things you can look for to help you determine if this is the case:

  • First, take a look at your bird’s breast muscle. If it appears hollow or flat, this could be a sign that your bird is not getting enough nutrition.
  • You should also feel along your bird’s keel bone (located along the chest) – if you can quickly feel this bone, it may indicate that your cockatiel is too thin.
  • Additionally, look at your bird’s overall energy level and activity level – if they seem lethargic or inactive, this could also be a sign of malnutrition.

If you suspect your cockatiel is underweight, you must take them to the vet for an evaluation. Your vet can confirm whether your bird is skinny and recommend a course of treatment accordingly.


If your cockatiel is losing weight, it could be for some reason. One possibility is that your bird isn’t getting enough food. Make sure you’re offering a variety of foods, including fresh fruits and vegetables, and a high-quality pellet diet.

It’s also essential to ensure your cockatiel has access to clean water at all times. Another possibility is that your bird is sick. If you notice other signs of illness, such as lethargy or diarrhea, take your cockatiel to the vet for an examination.