Two hypotheses on the distribution of Lasiurus frantzii and L. blossevillii in South America A where the Amazon Forest acts as a barrier and L. blossevillii is restricted to the Southern Cone B where both species are present in northern South America.

 
 
  Part of: Ramírez-Chaves HE, Cardona-Giraldo A, Ossa-López PA, Arias Monsalve HF, Rivera-Páez FA, Morales-Martínez DM (2023) Confirming the presence of Lasiurus frantzii (Peters, 1870) (Chiroptera, Vespertilionidae) in South America: more questions than answers. ZooKeys 1180: 145-157. https://doi.org/10.3897/zookeys.1180.105497