The Fin Whale (Balaenoptera physalus) is now listed as Vulnerable, previously listed as Endangered, in the International Union for Conservation of Nature (IUCN) Red List, according to recent update, as the global population of the species has roughly doubled since the 1970s.
The recovery of the Fin Whale population follows international bans on commercial whaling in the North Pacific and in the Southern Hemisphere, in place since 1976, and significant reductions in catches in the North Atlantic...
https://safety4sea.com/whale-populations-are-recovering-according-to-iucn/