A library of tweets (and howls and grunts)

An audio library is accumulating a world of animal sounds for science

By Cecile LeBlanc, 18:48 PM June 12, 2014

Sounds can transport us. The trumpet of an African forest elephant can take us to a noisy night in a reserve in the Central African Republic. The spiraling, alien trills of an Alaskan bearded seal can whisk us to the frigid Arctic Ocean. And the bell-like warble of the shiny black Kauai Oo can carry us back to Hawaii, to a time that no longer exists. The bird is now gone. Extinct. But thanks to a 1975 audio recording, its melodies live on.

These sounds and more form part of the Macaulay Librar...

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