* Wheeking: A high-pitched squeaking sound that usually means they're hungry or want attention.
* Chirping: A short, sharp sound that can indicate excitement or contentment.
* Purring: A low rumbling sound that shows they're relaxed and happy.
* Squealing: A loud, piercing sound that can be a sign of fear, pain, or aggression.
* Grunting: A low, guttural sound that can indicate annoyance or discomfort.
If you're hearing a whistling sound, it's probably coming from something else in your environment.
Here are some other things that might be making a whistling sound:
* Wind blowing through a window or door: This is a common cause of whistling noises.
* A loose pipe: If there's a leak or a loose fitting in your plumbing, it can make a whistling sound.
* A faulty appliance: A refrigerator, air conditioner, or other appliance might be making a whistling sound if it's not working properly.
* Birds: Some birds, such as canaries, can make whistling sounds.
If you're concerned about the sound, you can try to identify the source and address the issue.