Science & Technology

  • Chinstrap penguin prancing on Prasiola crispa, a terrestrial green algae. (Ron Naveen/ OCEANITES)
  • Adélie penguin wing spread. (Ron Naveen/ OCEANITES)
  • Nesting Adélie penguins, Admiralty Bay. (Ron Naveen/ OCEANITES)
  • Penguin swimming, Antarctica. (John B. Weller)
  • Gentoo penguin headshot. (Ron Naveen/ OCEANITES)
  • Close up of fish below the Ross Sea. (John B. Weller, Courtesy of The Pew Charitable Trusts)
  • Close-up of krill. (Photo credit: grandfathered)
  • Below the Ross Sea. (John B. Weller)
  • Avalanche in the Lemaire Channel. (Ron Naveen/ OCEANITES)
  • Pods of killer whales, sometimes 100 strong, patrol the ice edges. Three separate ecotypes live in the Ross Sea, each specializing in a different diet. (John B. Weller)

Penguins Barometer for Ocean Health

Published June 06, 2014

One barometer of ocean health is the penguin, whose Southern Hemisphere range extends from the tropical Galapagos Islands near the equator to the ice shelf of Antarctica.


You May Like

Multimedia US Defense Secretary: Iraqi Forces Lack 'Will to Fight'

Ash Carter criticizes Iraq's reaction to Islamic State; National Security Advisor Susan Rice echoed Carter's concerns in an interview on CBS More

Boko Haram Surrounds Havens With Land Mines

Chad and Cameroon say huge numbers of land mines planted by Boko Haram fighters along Cameroon's border with Nigeria are a danger to people, livestock and soldiers More

Women Peace Activists Cross Korean DMZ

Governments of Koreas give international delegation of women peace activists permission to pass through heavily fortified border, but some critics say symbolic crossing only benefits Pyongyang More