why are whales endangered

However, according to WWF, 'commercial whalers' have not hunted the fin whale since 'last century' as it has been listed as endangered. Additionally, the depletion of populations of prey, such as marine mammals and certain species of fish, affects its ecosystem. A North Atlantic right whale surfaces off Cape Cod, Massachusetts. © 1996-2015 National Geographic Society, © 2015- Some species have still not recovered from being hunted and are currently listed as endangered. In 2016, just 328 Cook Inlet beluga whales were estimated, down by 12 from 2014. Bycatch is another reason behind their near extinction. The blue whale is not only one of the most well-known species of whale, it’s also the largest known whale in existence growing to lengths of over 100 ft and weighing more than 150 tons; although 60 – 80 ft. is more common. Of the 13 “Great Whale” species, 7 of them are currently classified as endangered or vulnerable. Just how close are we to incorporating insects into our diet? We’ll find out in this article. Recently, North Atlantic right whales have birthed calves about seven years apart in comparison with every three years for southern right whales. From the 11th to 20th centuries, whaling decimated all three species of right whales—North Atlantic, North Pacific, and southern—with some reduced to 5 percent of their original population. Beluga whales are also culturally important to indigenous communities in the Arctic. Whales are susceptible to entanglement in commercial fishing gear. In the past century, many of the large whale species have been hunted to the brink of extinction by industrial whaling. In the past (pre whaling era) blue whales were extremely abundant (150,000 – 200,000 before whaling began) and found swimming in all of the major oceans of the world, however today it is estimated that there are now only between 1,500 – 2,500 blue whales left in existence. “We think of the species as being in trouble,” notes study co-author Peter Corkeron, leader of the whale research team at the Anderson Cabot Center for Ocean Life.

What conservation methods would you suggest for saving the blue whales from extinction? It is thought that the whale surrounds fish, showing the white side of their jaw, 'frightening them into denser schools that are easier for the whale to catch'. And what threats do they face today? It’s worth noting that environmentalists are doing their best to conserve whatever little number of blue whales are left today. The North-Atlantic right whale is one of the most endangered of all large whales, with a long history of human exploitation and no signs of recovery despite protection from whaling since the 1930s. This magnificent creature can be as heavy as, 'right is bright white and the...left jaw is black'. Resident killer whales move in pods and inhabit specific areas, whereas transient killer whales move in smaller groups and range in larger areas. In collaboration with 17 other whale researchers around the world, Christiansen collected aerial photos of 523 North Atlantic and southern right whales at various stages of life: calves, immature whales, adult whales, and lactating females.

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