the answers is....... well noboby really knows the duck,by the way,has an echo
Dead animals make no sounds.... Seriously though all vertebrae make noise or what can be qualified as sounds such as: heart beats, farts, breathing etc.
A ducks quack does not echo.
rabbit
the echo man
Yes
It is because their voice boxes are that way. Are voice boxes make certain sounds, and their voice box makes those types of sounds. Also, their shape could echo and turn the sound into the audible sound you hear.
A human voice
Echo
Hera
by being killed
no
In an echo chamber
None did. This sort of communication is an evolution of the prehistoric animals that are the ancestors of those who CAN echo.
Echo did not have any known powers. She could only echo what people said because of Hera's curse on her, but that is not a special power.
Your mother