respiratory infection

My cockatiel is male and almost 5 years old. Over the past few weeks, i've noticed an occasional wheezing sound when he breathes. He has no signs of runny nose or discharge of any kind. could it be a respiratory infection? when he sits on my shoulder i can feel a bit of moistness when he...

This morning I rushed Sunny to the vet because he started wheezing and open-mouth breathing while he was eating his breakfast. It was similar to when they get water in their nose and snort it out, but without anything to reasonably precipitate the reaction. He had a very brief similar episode on...

I noticed that cricket sometimes makes a little clicking sound when she breathes, and sneezes often. When she sneezes, bird mucus(?) comes out, but her nose isn't runny any other time. The mucus is clear. The rim of one of her eyes is also red, and she preens a lot. Her appetite is good, and her...