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A veterinary worker holds a baby chimp at a primate research laboratory in New Mexico on Aug. 31, 1995. / Dale Fulkerson, Associated Press

Several hours of recordings of chimps from the 1970s have finally been made available online Tuesday, as reported in the current issue of the journal Scientific Data.

Calling it "the largest dataset of audio recordings from free-living, immature chimpanzees," the recordings include "grunts, hoocalls, barks, squeals, and other vocalizations" of 17 young chimps.

The recordings were made by Dutch scientists Hetty van de Rijt-Plooij and Frans Plooij at Gombe National Park, Tanzania, from 1971 to 1973. While there, they worked with famed primate scientist Jane Goodall.

The paper out Tuesday noted that "these recordings have not yet been analysed. Therefore, the most extensive effort to study the development of chimpanzee vocalizations remains unfinished."

The recordings were made public so other researchers might analyze them.

The files are stored in the Macaulay Library at Cornell University in Ithaca, N.Y.

Here are links to a few examples of the chimp chatter:

Chimp 1

Chimp 2

Chimp 3

Chimp 4

Chimp 5

Here's a link to the full dataset.



Copyright 2014USAToday

Read the original story: Chimp chatter: Huge collection of recordings released

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