Male sparrows are less intimidated by the songs of aging rivals. Few singers reach their sunset years with the same voice they had in younger days. Songbirds are no different. New research reveals that elderly swamp sparrows don't sound quite like they used to -- nor do they strike the same fear in other males who may be listening in. Humans are remarkably good at guessing a person's age by their voice. But this is the first time the phenomenon has been demonstrated in wild animals. Source 1q.
, if you know something about "Sparrows 101" under Sciences, Education, Art, Writing & UFO then you can be the first to Reply to Sparrows 101! You will then have 1 Posts and 1 Core Posts! now or scroll down for [Fast Reply] box.
Can someone tell me more about sparrows 101 has to be expounded fast to know intensively get down to the truth for sparrows 101.