Whales suffer from all types of threats like ship strikes, over fishing of krill, habitat loss and chemical and sound pollution. Many problems have arose from climate change like less krill, food-rich areas moving south. However, the most disturbing threat is whaling. Before whaling began in the 11th century, there were than 250,000 blue whales. Before the worldwide protection in 1967, the species were nearly extinct. From 1904-67, 350,000 were killed in the southern hemisphere alone. During the whaling season in 1931, 29,000 blue whales were killed. Scientists say that the blue
Whales suffer from all types of threats like ship strikes, over fishing of krill, habitat loss and chemical and sound pollution. Many problems have arose from climate change like less krill, food-rich areas moving south. However, the most disturbing threat is whaling. Before whaling began in the 11th century, there were than 250,000 blue whales. Before the worldwide protection in 1967, the species were nearly extinct. From 1904-67, 350,000 were killed in the southern hemisphere alone. During the whaling season in 1931, 29,000 blue whales were killed. Scientists say that the blue