Harbour porpoise Although conjoined twins are rarely seen in wild mammals, the first known case of a two-headed harbour porpoise was documented in May 2017 when Dutch fishermen in the North Sea caught them by chance. A study published by the online journal of the Natural History Museum Rotterdam points out that conjoined twins in whales and dolphins are extremely rare. The harbour porpoise species is widespread in cooler coastal waters of the North Atlantic, North Pacific and the Black Sea. The populations in these regions are not continuous and are classified as separate subspecies with "P. p. phocoena" in the North
Katona Twins Katona Twins The Katona Twins are a celebrated Hungarian guitar duo, comprising Péter and Zoltán Katona, identical twins. They have performed at prestigious venues and at major music festivals around the world. Their performances and recordings have been widely reviewed by the music press and they have been described as "the classical world's best-known guitar duo". The Katonas' repertoire includes Classical music, Tango and Spanish guitar. They have also adapted and arranged classical works for guitar duo. Their five album releases to date have included works by Handel, Scarlatti, Isaac Albéniz and Ástor Piazzolla. They also perform works by de