Sei whale  (Balaenoptera borealis)

Classified as Endangered (EN) on the IUCN Red List 2007 (1). Populations from the equator to Antarctica are listed on Appendix I of CITES, all other populations are listed on Appendix II (3). Also listed on Appendices I and II of the Convention on Migratory Species (CMS or the Bonn Convention) (4).