High Quality Content by WIKIPEDIA articles! The pygmy beaked whale (Mesoplodon peruvianus), also known as the bandolero beaked whale, Peruvian beaked whale and lesser beaked whale, is the smallest of the mesoplodonts and one of the newest discoveries. There were at least two dozen sightings of an unknown beaked whale named Mesoplodon sp. A before the initial classification, and those are now believed to be synonymous with the species. Physical evidence of the species was first described in 1991 from a skeleton and a rotting carcass found in Bahia de La Paz, Baja California in 1990.