According to BirdChannel contributor Margaret A. Wissman, "Cancer is an abnormal and uncontrolled growth of tissue caused by damaged or mutated DNA. Tumors are a common form of cancer that grows from the uncontrolled division of cells. Tumors can be cancerous but they are not always. Other forms of cancer occur that are not in the form of tumors, such as leukemia, which causes abnormal cells in the blood, bone marrow and lymph system. Cancerous tumors on the skin and internal organs have been diagnosed in birds. Malignant internal tumors of the kidney, ovary or testicle are the most commonly diagnosed forms of cancer in birds." (From here).
It can be difficult to tell if your bird has cancer. Certain cancers have particulary symptoms, and if you see any of them, you should take your pet bird to your avian veterinarian straight away. Learn more about cancer with our BirdChannel cancer guide below:
Cancer In Birds — What Is It?
Signs Of Cancer In Birds
Lumps & Tumors In Birds
Bird Cancer Treatment Options