Some are, but most are not.
Yes, Chihuahuas can get the flu.
Chihuahua's were worshipped by the Toltec's in ancient Mexico.
Chihuahuas live in Mexico.
Chihuahuas originated from the state of Chihuahua, Mexico.
Chihuahuas have UFO's for ears.
chihuahuas have sensitive stomachs
Chihuahuas originally came from the Mexican capital Chihuahua.
Most pets lead sufficently artificial lives that they will go into heat according to their own rhythm and regardless of seasons. Hence chihuahuas can have puppies at any time of year.
No they worshipped Chihuahuas, it was the Aztecs who ate them!
no, because chihuahuas have babies
No, but labs like chihuahuas.