Nuevo varamiento masivo de orca falsa, Pseudorca crassidens, en el Estrecho de Magallanes, Chile

摘要: We report the mass stranding of 46 false killer whales in Strait Magellan February 2013. present observation-based information about body size, sex, dental formula and necropsies. Sexual dimorphism length was clear, with males being significantly larger than females. Dental coincided previous reports for species, asymmetry Individuals showed normal conditions without any signs apparent disease. The cause remains unknown, however coastal morphology hypothesis is a possible explanation.