Due to the high species diversity, bats are a model for the study of choice for research on speciation. The difficulty of studying speciation lies firstly in the difficulty of defining a species: « A fly in a wine glass ».
Kutokana na utofauti high aina, popo ni mfano wa kuigwa kwa ajili ya utafiti wa uchaguzi kwa ajili ya utafiti juu ya speciation. ugumu wa kusoma speciation uongo kwanza katika ugumu wa kufafanua aina: «Kuruka katika kioo mvinyo».