It depends on a lot. The genetics of the dog, the dog's environment, etc. If a chihuahua came from two parents prone to anxiety/ stress, it is likely the reaction is written in the genetic code. If this is the explanation, it is quite possible that selective breeding played a role in the skittishness of the breed. If the dog is often around large and scary objects, objects that produce loud noise, or abusive owners, the chihuahua's fear is likely a result of constant exposure to such conditions. Permanently afraid, if you will. There are many combinations of factors that lead to the disposition of a dog, and if your small breed seems incessantly frightened without provocation, it is likely a product of breeding.
shake!! they shake all the time!! they will also tuck their tail in!!
Because they are small or someone has mistreated him/her
Chihuahua dogs are known to tremble and shake, but the reasons for this are unknown. Generally, a Chihuahua may tremble due to being cold, low blood sugars or to express emotion, for example.
Every physical being can be scared by ghosts! They are rather scary!
kus their scared of bigger dogs :)
because they don't know someone or there scared
no however, it's cousin the bulldog is scared easily by wolves and crocodiles
because they are on guard. they are ready to protect you from anything , also they might get scared themselves.
These are some of the breeding problems of chihuahuas: * Chihuahuas are prone to shivering when they are cold, excited, or scared. * Chihuahuas can be unfriendly toward other dogs if they're not socialized when young. * The Chihuahua's ears can be prone to ear wax build up and dry skin. * Chihuahuas are happy as companions, but they do need 20 to 30 minutes of exercise daily and can go for much longer than you might expect. * Chihuahuas can be reserved with strangers. * Chihuahuas are not the best dog to have when you have young children.
Tom act scared.
I must say that some chihuahuas do not back down from fights. Some of them will attack if threatened. It usually depends on the personality of the animal. From experience most chihuahuas will act like they will fight, but if you challenge them, they will run away but attack you on your way away from them.
they're not scared to death, they already forgot about you.
scared
They are very small and they know it, so they act mean or emotionally and vocal to "scare" predators away.
don't act nervous just do your best and don't even get scared