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Display rate and speed of nest relief in antarctic pygoscelid penguins

Auk 97(4): 825-831

Display rate and speed of nest relief in antarctic pygoscelid penguins

The 3 spp. of Pygoscelis, P. adeliae (Adelie Penguin), P. antarctica (Chinstrap Penguin) and P. papua (Gentoo Penguin) perform an elaborate Nest Relief Ceremony (NRC) upon 1 mate's return to the nest. The NRC consists of a number of displays, each of which is performed 1 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.

Accession: 005170494

DOI: 10.2307/4085754

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