"To Decode Elephant Conversation, You Must Feel The Jungle Rumble" [1]
"The natural world is abuzz with the sound of animals communicating — crickets, birds, even grunting fish. But scientists learning to decode these sounds say the secret signals of African elephants — their deepest rumblings — are among the most intriguing calls any animal makes."
Bill McQuay and Christopher Joyce report for NPR's Morning Edition August 20, 2015. [2]
Wildlife [3]
International [4]
Public [5]
Source: NPR [2], 08/20/2015