'Current Biology' Identifies The World's Loudest Bird05:45
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A paper published Monday in the journal Current Biology identifies the world's loudest bird.

The white bellbird woos its mate with an ear-splitting, two-toned clang.

Reporter Daniel Grossman (@grossmanmedia) visited with one of the paper's authors in the Brazilian Amazon.

This report was done in collaboration with the Pulitzer Center.

Mario Cohn-Haft, an employee of Brazil's National Institute of Amazonian Research, holds a male white bellbird that he captured in Brazil's Roraima state for his research collection. The black stripe above the bill is a retractable wattle that sometimes dangles down from its head. (Courtesy of Daniel Grossman)
Mario Cohn-Haft, an employee of Brazil's National Institute of Amazonian Research, holds a male white bellbird that he captured in Brazil's Roraima state for his research collection. The black stripe above the bill is a retractable wattle that sometimes dangles down from its head. (Courtesy of Daniel Grossman)
Mario Cohn-Haft, an ornithologist at Brazil's National Institute of Amazonian Research, on a field trip a few hours northeast of Manaus, the Amazon's largest city. (Courtesy of Daniel Grossman)
Mario Cohn-Haft, an ornithologist at Brazil's National Institute of Amazonian Research, on a field trip a few hours northeast of Manaus, the Amazon's largest city. (Courtesy of Daniel Grossman)

This segment aired on October 21, 2019.

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