Another model of speciation are, sympatric speciation, where new species appear in the same geographic area. Ultrasound is a major area of research in this area.
Mwingine mfano wa speciation ni, sympatric speciation, ambapo aina mpya kuonekana katika eneo moja la kijiografia . Ultrasound ni eneo kubwa ya utafiti katika eneo hili .