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They're NOT extinct! In fact, their numbers are increasing!
No but they are becoming very rare
Because Their Awesome XD
The largest type of living whale is the Blue Whale. It is possible that there might have been another type of whale that was bigger but is now extinct - however the largest known extinct whales such as Basilosaurus - a whale-like cetacean - 40-65 ft (12-20 m) and Livyatan melvillei - an extinct toothed whale from the Miocene - 13.5-17.5 meters, were still smaller than the Blue Whale - up to 29.9 metres (98 ft).
recycling
The greatest danger to blue whales was being hunted by humans.
Are you sure this is the right question you wanted to ask? Human to help Blue Whales go extinct? Or to prevent them from being extinct?
Blue whales are not extinct, but not common either.The world population is only a few thousand.
yes they can
Because they are endangered and if you don't they will be extinct
That would be the elephant. ==Or...== If you're including marine mammals, that would be the blue whale.