Duetto buffo di due gatti consists of this word or type of communication used by which animal?
Duetto buffo di due gatti The Duetto buffo di due gatti ("humorous duet for two cats") is a popular performance piece for two sopranos which is often performed as a concert encore. The "lyrics" consist entirely of the repeated word "miau" ("meow"). Sometimes it is also performed by a soprano and a tenor, or a soprano and a bass.
Tail wagging by dogs Tail wagging by dogs is the behavior of the dog observed as its tail moves back and forth in the same plane. It is considered a social signal. Tail wagging by dogs can be described by its vigorous movement or even just the slightest movement of the tip of its tail. Other dogs wag their tail in a circular motion, and even when the tail is between their legs or the dog is on its back. The behavior of a dog can not always be an indication its friendliness. When a dog wags its tail, most people interpret this as the dog expressing happiness and friendliness. Though indeed tail wagging can express these positive emotions, tail wagging is also an indication of fear, insecurity, challenging of dominance, establishing social relationships or a warning that the dog may bite.