^ a b UNEP (2020). Balaenoptera musculus . The Species+ Website. Nairobi, Kenya. Compiled by UNEP-WCMC, Cambridge, UK. Available at: www.speciesplus.net . (downroad 09/18/2020) ^ a b c d e f g h i Cooke, J.G. 2018. Balaenoptera musculus (errata version published in 2019). The IUCN Red List of Threat...