Display Rate and Speed of Nest Relief in Antarctic Pygoscelid Penguins

Abstract The three species of the genus Pygoscelis, P. adeliae (Adélie Penguin), P. antarctica (Chinstrap Penguin), and P. papua (Gentoo Penguin) perform an elaborate Nest Relief Ceremony (NRC) upon one mate's return to the nest. The NRC consists of a number of displays, each of which is perfor...

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Bibliographic Details
Published in:The Auk
Main Authors: MÜller-Schwarze, D., MÜller-Schwarze, C.
Format: Article in Journal/Newspaper
Language:English
Published: Oxford University Press (OUP) 1980
Subjects:
Online Access:http://dx.doi.org/10.1093/auk/97.4.825
http://academic.oup.com/auk/article-pdf/97/4/825/32911415/auk0825.pdf
Description
Summary:Abstract The three species of the genus Pygoscelis, P. adeliae (Adélie Penguin), P. antarctica (Chinstrap Penguin), and P. papua (Gentoo Penguin) perform an elaborate Nest Relief Ceremony (NRC) upon one mate's return to the nest. The NRC consists of a number of displays, each of which is performed one or several times. The most conspicuous displays during NRC are the Loud Mutual Display (LMD) and Quiet Mutual Display (QMD) in P. adeliae and P. antarctica, and their morphologically different functional equivalents in P. papua, the "donkey call" (LMD) and "bow-gape-hiss" (BGH). The displays whose repetition rate is negatively correlated with the time elapsed between arrival of the mate and actual changeover are the LMD in P. adeliae, "circling" in P. antarctica, and BGH in P. papua.