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National Geographic 2021 5 May Secrets of the Whales
National Geographic 2021 (5) May
CONTENTS
On the Cover
In South Pacific waters, a humpback whale calf focuses on photographer Brian Skerry, and vice versa. Skerry has spent years observing the distinctive behaviors and traditions of many cetacean species. BRIAN SKERRY
EARTH DAY/SPECIAL REPORT
PROOF Mining Marks a Landscape Viewing mines from above, a photographer captures the results of extracting coal to fuel electric power plants. PHOTOGRAPHS BY TOM HEGEN
THE BIG IDEA Conservation's Popularity Contest Wildlife funding and advocacy focus most on charismatic species. Is it time to rethink that approach? BY CHRISTINE DELL'AMORE
ATLAS Ice Odyssey A huge Antarctic iceberg posed a risk to an island wildlife preserve. BY MARTIN GAMACHE AND SARAH GIBBENS
ALSO Wandering Rocks Earth Day Inspirations
EARTH DAY Bridging Cultures, Causes With Music Cellist Yo-Yo Ma pairs concerts with activist events on environmental and other issues. BY CLAUDIA KALB
THROUGH THE LENS Fleeing the Flood As waters threatened rare giraffes' habitat, former enemies joined forces to move them via a modern-day ark. BY ANNIE ROTH
ALSO Green Chandelier Ink From Pollution
FEATURES
Secrets of the Whales Some dolphins and whales have their own cultural traditions and dialects, characteristics once thought to be unique to humans BY CRAIG WELCH PHOTOGRAPHS BY BRIAN SKERRY P. 40
EARTH DAY TV All episodes of the series Secrets of the Whales will premiere April 22 on Disney+.
Planet Ocean About 70% of Earth's surface is ocean. This is how it's connected. BY MATTHEW W. CHWASTYK AND IRENE BERMAN-VAPORIS P. 80
Rescuing Reefs Images made years apart show how warming oceans harm corals. BY JENNIFER S. HOLLAND PHOTOGRAPHS BY DAVID DOUBILET AND JENNIFER HAYES P. 86
28 Days Under the Sea Diving on the floor of the Mediterranean, four explorers found amazing life-forms. STORY AND PHOTOGRAPHS BY LAURENT BALLESTA P. 108
Searcher of the Deep Decades after locating the wreck of the Titanic, Robert Ballard still hunts for cultural and scientific treasures. BY RACHEL HARTIGAN P. 132
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