There are many small Transformers and electronic oscillators in a CRT monitor which scan the electrons across the screen, blank them at the end of a line and return the beam to the left of the screen in order to start the scan again. These transformers have alternating currents flowing through them which make the ferrite cores 'chatter' at the same frequency. This frequency is about 18,000 cycles per second which makes this audible noise.
they make a hissing sound
They make hissing sounds sometimes
a hissing, growling, of a snarl
The only sound a Bearded dragon can make is a hissing sound because they have no vocal chords
Tortoises are generally silent animals and do not typically make vocal sounds. In some cases, they may produce hissing sounds when feeling threatened or scared.
chatteringwhistlinghissingwhimpering
Madagascan hissing cockroaches make a noise by forcing air out of a special hole.
A cat can make 100 sounds and dogs can only make 10.
Likely to be a punctured lung.
When they are in a state of utter terror, they will squeal/scream. However, defensive sounds are popping, clicking, hissing, and growling.
A ferret that make a hissing sound means they are annoyed or irritated
Geese make a hissing sound.