This is their survival tactic, a defense mechanism against the predators in the wild, in order to appear healthy so that they are not identified as weak and easy prey.
Rapid breathing can sometimes be due to overheating, but, if your budgie has persistent breathing problems, it is an indication of a severe underlying problem.
01.
If you notice that something is not right with the feathers and the bird is not molting, it could be a sign of a disease.
02.
One sign to distinguish between regurgitation and vomiting is to see how the bird throws up.
03.
A budgie’s droppings can tell a lot about its health. Clear urine, well-formed white urates, and dark colored feces indicate good bird health.
04.
If you see signs of weakness such as listlessness, diminished movement, etc., it could be a sign of severe sickness.
05.