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20.06.2019 01:00
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Fresh Look at Mysterious Nasca Lines in Peru

DRUCKEN

SAPPORO, Japan, June 19, 2019 /PRNewswire/ -- A scientific approach has been used to re-identify huge birds etched into the desert plains of southern Peru around 2,000 years ago. The birds appear to be exotic to the region and further studies could help explain their significance. The study is published in the Journal of Archaeological Science: Reports.

The team’s ornithological analysis re-classified a previously identified hummingbird as a hermit. Photo taken by Masaki Eda. (PRNewsfoto/Hokkaido University)

The lines and geoglyphs of Nasca and Palpa are located some 400 kilometers south of Lima, Peru and form a World Heritage Site covering an area of about 450 square kilometers. They were carved into the ground between 400 B.C.E and 1000 C.E. by pre-Inca people, and include lines, geometric designs, and animal and plant drawings. Most of these etchings are so large that they are best seen in aerial photographs. Identifying what they represent is an essential first step towards unraveling the mystery of why they were drawn in the first place.

Masaki Eda of The Hokkaido University Museum, Takeshi Yamasaki of Yamashina Institute for Ornithology, and Masato Sakai of Yamagata University in Japan applied an ornithological approach to identify the 16 bird geoglyphs among more than 2,000 drawings present in the area. "Until now, the birds in these drawings have been identified based on general impressions or a few morphological traits present in each figure. We closely noted the shapes and relative sizes of the birds' beaks, heads, necks, bodies, wings, tails and feet and compared them with those of modern birds in Peru," says Eda.

As a result of this approach, they re-classified a previously identified hummingbird (Geoglyph No. PV68A-CF1) as a hermit; and a guano bird (Geoglyph No. PV68A-GF3) and a previously unidentified bird (Geoglyph No. PV68-GF1) drawing as pelicans. Other bird drawings that are thought to be condors or flamingos did not have the essential characteristics to validate such identifications, but were too inconsistent with modern Peruvian birds to justify a new classification.

Although the identified birds do exist in Peru, they are found in other parts of the country than where the drawings were made. Hermits, for example, are found in the forests on the eastern slopes of the Andes and in the north near Ecuador. Pelicans live along the coast.

"The Nasca people who drew the images could have seen pelicans while food-gathering on the coast. Our findings show that they drew exotic birds, not local birds, and this could be a clue as to why they drew them in the first place," explains Eda.

Further comparisons with birds drawn around the same time on pottery and of bird remains excavated from Nasca ruins could help identify more of the birds depicted in the geoglyphs, the researchers say.

Original article:

Eda M., Yamasaki ?T., Sakai M. Identifying the bird figures of the Nasca pampas: An ornithological perspective. Journal of Archaeological Science: Reports. June 20, 2019.
DOI: 10.1016/j.jasrep.2019.101875

Funding information:

This study was supported by the Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT), Grant-in-Aid for Scientific Research on Innovative Areas "Comparative Studies of Ancient American Civilizations" (26101004).

Contacts:

Associate Professor Masaki Eda
The Hokkaido University Museum,
Hokkaido University
Email: edamsk[at]museum.hokudai.ac.jp

Naoki Namba (Media Officer)
Institute for International Collaboration,
Hokkaido University
Tel: +81-11-706-2185
Email: en-press[at]oia.hokudai.ac.jp

Cision View original content to download multimedia:http://www.prnewswire.com/news-releases/fresh-look-at-mysterious-nasca-lines-in-peru-300871661.html

SOURCE Hokkaido University

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