Blue and Grey Whales
Transcript: There are three subspecies of blue whales - North, South and Dwarf, slightly different his size and physique Since the beginning of the XX century the blue whale began to decline rapidly due to uncontrolled fishing By the 1963, the Blue Whales were no more than 5,000 individuals! the blue whale is still very rare - the total number does not exceed 10,000 individuals, and to maintain its stable livestock he require new security measures Blue and Grey Whales Whales belong to the order Cetacea Whales are divided into 2 suborders: These enormous animals eat large quantities of any animals The Blue Whale Under the surface The Blue whale is a marine mammal belonging to the baleen whales. It is the largest known animal ever to have existed Belonging to the Baleen Whale group, they have plates for filtering marine worms and crustaceans from the ocean floor. Grey whales are split into two separate populations, the eastern North Pacific (American) and the critically endangered western North Pacific (Asian) population Toothed Whales Since the middle of the 1990s whales have to share their habitat with two oil-gas production projects: Sakhalin-1 and Sakhalin-2 The shelf oil production may result in many risks to the whales and to the organisms they feed The companies, who are the operators of Sakhalin-1,2 projects, finance a number of scientific projects on whales’ studies Whaling is one of the biggest threats to Whales. The International Whaling Commission introduced a moratorium which continues to this day Basic information Baleen Whales The Grey Whale
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