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That incredibly loud song soaring over quieter birds in the Amazon rainforest

belongs to the male white bellbird. At 125 decibels, his short but startling songs are louder than a jackhammer.

The white bellbird may be the loudest bird in the world.

These birds are making extraordinarily loud noises, noises that are so loud that they

would be harmful to our hearing if you had to hear them up close.

Mario Cone-Haft, curator of birds at Institutunational de Pescisa de Amazonia.

He and his colleague Jeffrey Podes recorded the birds in their natural habitat.

Their findings are in the journal Current Biology.

Birds like the screaming Pia or Malachan Cockatoo have also laid claim to the loudness title.

But the researchers think the new study has better instrumentation and data than most studies

previously published in the scientific literature.

Loud sounds are usually for long distance communication and then when the listener or the

potential listener is up close

the volume is dropped way back down so that nobody needs to call a lot of attention

to themselves or blow out each other's hearing but in the case of the white

Belber the opposite seems to be true.

The loudest sound they make is actually reserved for courting a female.

When the female comes in close, they just switch to their loudest sound and do it right in her face.

The male displays another feature, an extendable wattle.

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