At least 20 endangered sei whales found washed up dead along coast of Chile

• Foreign scientists discovered whales on Gulf of Penas and reported them
• Government said there were 20 whales but scientists said more than 30
• Adult sei whales can be longer than 50 feet and weigh 20 tons or more
• Unclear how and why so many whales died and washed up along the beach
• Whales are no longer commercially hunted and there are about 12,000 alive

Read more: http://www.dailymail.co.uk/news/article-3074367/Sei-whales-dead-Chile-cause-death-unknown.html#ixzz3ZeikGg7U