IUCN Red List endangered Balaenoptera musculus Balaenoptera musculus classified http://www.iucnredlist.org/details/2477/0 "Balaenoptera musculus" already classified as endangered Dostupné online International Union for Conservation of Nature endangered Red list dell'IUNC World Conservation Union Research http://www.iucnredlist.org/details/2477/0 IUCN IUCN Red List endangered by the IUCN Red List Balaenoptera musculus IUCN Red List of Threatened Species endangered by the IUCN Red List taxonomic uncertainties about blue whales IUCN Red List http://www.iucnredlist.org/details/2477/0 endangered by the IUCN Red List IUCN Red List IUCN Research http://www.iucnredlist.org/details/2477/0 su población IUCN Red List http://www.iucnredlist.org/details/2477/0 Balaenoptera musculus Blauwe vinvis op de IUCN Red List of Threatened Species espèce menacée Blauwe vinvis op de IUCN Red List of Threatened Species endangered Balaenoptera musculus blue whale IUCN Red List of Threatened Species http://www.iucnredlist.org/details/2477/0 Dostupné online http://www.iucnredlist.org/details/2477/0 International Union for Conservation of Nature "Balaenoptera musculus" International Union for Conservation of Nature http://www.iucnredlist.org/details/2477/0 IUCN