Whales are largest, endangered, important marine species with unique features in various types.
The critically endangered North Atlantic Right Whale suffered from population declines due to commercial whaling.
North Pacific right whales were excessively targeted by whale hunters, resulting in population decline and current critical endangerment due to ship collisions, climate change, and pollution.
The fast and adaptable sei whale was hunted during the 20th century resulting in critical endangerment with a current population less than one-third of the 1950s.
The blue whale, the largest animal on Earth, is critically endangered with only 1000 to 2000 left due to habitat loss and ship strikes.
The Western gray whale, also known as Pacific, Korean or California gray whale, is a critically endangered baleen whale with a lifespan of 75-80 years.