I'd like to pay this in, please http://azania.co.za/azulfidine-baikal-pharmacycom-lzvg azulfidine en 500 mg Bats and dolphins, despite their distance on the evolutionary tree of life, both possess an uncommon ability among mammals: echolocation. Now, scientists have discovered that the similarities go down to the genetic level as well as the physical --  bats and dolphins independently underwent many of the same genetic changes that resulted in their special biological sonar systems.