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Pigeon-sized Brazilian birds emit 122dB chainsaw-like sounds

In a Brazilian forest, a bird opens its beak, producing a sound that splits the air like metal being struck forcefully. A ...
VICE

Scientists Found Two Birds as Loud as Chainsaws. Here’s How They Make So Much Noise.

Researchers measured the calls of 123 bird species in Brazil. Two reached volumes comparable to chainsaws and louder than ...

These Birds Are Louder Than Elephants, Jackhammers and Chain Saws

A new study has identified two species of Brazilian birds, the bare-throated bellbird and the red-legged seriema, as the ...
ZME Science

The World’s Noisiest Birds Can Blast Calls at Nearly 130 Decibels Like a Jackhammer

Some birds sing. These birds scream like power tools. In Brazil, two species can unleash calls above 120 decibels—roughly ...
Donga Science

Two candidate bird species produce world’s loudest calls above chainsaw noise

A male bare-throated bellbird (Procnias nudicollis), a candidate for the world’s loudest bird, calling in Atlantic Forest ...
Knowridge Science Report

Louder Than a Chainsaw: Two Birds Join the Race for the World’s Loudest Call

Birdsong can be gentle and soothing, but some birds produce calls loud enough to rival heavy machinery. A new study has ...
WBUR

UMass biologists discover what may be the world's loudest birds

Biologists at the University of Massachusetts Amherst have discovered what may be the world’s loudest birds. There are now ...