Quote:
Originally Posted by justplugit
I usually spin the trap around in circles a bunch of times before I release
them to confuse their direction. 
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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