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					Originally Posted by Raven     they navigate by sound(s) 
"remembered" such as firetrucks ,church bells, 
flowing water, and  sounds of the spectrum unknown to us.
 
   Birds in Mass can hear the sound of  Niagara falls (long range) 
similarly to elephants->  low pitch vibration | 
	
 Didn't know that, Rav. I guess duct tape over the ears would help.
The Fischer Cat took care of my squirrel problem this year.
Only one left, and he's too busy looking over his shoulder to eat. 
