Being able to locate precisely with only 2 "sightings". Humans and dogs, will use JUST noise entering our 2 ears to get a precise knowledge of where a noise is coming from. Biangulation is finding stuff precisely with only 2 concurrent observations., not 3.
Dogs have been biangulating their way to cookie jars for centuries. So while a dog certainly has excellent smelling abilities, biangulation gets any dog DIRECTLY to the cookie jar with the slightest rattle of the lid.
by You rReal Name July 27, 2020