This is a reflex and it is used when cats cannot reach their prey. The movements of the jaw cause the teeth and lips to smack making small noises. That would explain the chattering.
Chattering is primitive, instinctive behaviour. It is used to summon other cats, which is paradoxical because the modern cat doesn't hunt in packs. To better understand this behaviour, it is best to look to viverrids (mongoose, civet, genet) which predate cats on the evolutionary ladder.
Because the cat would be in hunting mode. Chattering of the teeth or making certain sounds means that they are hunting something or want to hunt something.
When you are cold, your muscles contract (become tighter) quickly to warm you up. This is called shivering. Your teeth chatter as your muscles in your jaw move. [Just to clarify: MY teeth do not chatter when YOU are cold]
Pigs typically grunt and oink.
Yackety-yak is prolonged, idle talk, chatter or gossip.
Because they desperately want to be stalking and killing said birds, most likely. Cats are born hunters, and will often kill just for the fun of it. Basically, that quivering chirping is an expression of combined excitement and desire.
Cats. Every bad thing in life can be blamed on cats!
Cats chatter at their owners as a sign of excitement or frustration when they see something they want to catch but can't reach. It's a natural behavior that stems from their hunting instincts.
Cats chatter at humans as a way to express excitement or frustration when they see something they want to catch, like a bird or insect. This behavior is thought to be a natural instinct related to hunting and can also be a sign of anticipation or frustration.
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what bird chatter and chatter
Cats may chatter their teeth when they see prey they can't reach, like birds. It could be a sign of excitement or frustration.
Cats chatter when they see prey they can't reach, like birds. Your cat might be excited or frustrated when they see you and can't get to you.
Cats chatter as a natural instinct when they see prey, like birds or insects. It could be a sign of excitement or frustration when they can't reach the prey.
Project CHATTER ended in 1953.