SHORT COMMUNICATIONS EMU 90 Hybrid Rockhopper-Macaroni Penguins, Interbreeding and Mixed Species Pairs at Heard and Marion Islands

The genus Eudyptes consists of six species distributed throughout the subantarctic islands and the Antarctic Peninsula (Watson et a1 1971). At many of the breeding localities species are sympatric (Warham 1975). There has been one published report of mixed species pair of Eudyptes penguins breeding,...

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Bibliographic Details
Main Authors: Eric J. Woehler, Charles A. Gilbert
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Published: 1989
Subjects:
Heard Island hybrid
Antarctic
Antarctic Peninsula
Heard Island
Napier
The Antarctic
Antarc*
Macaroni penguin
Macquarie Island
Rockhopper penguin
South Atlantic Ocean
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.517.9825
http://www.publish.csiro.au/?act%3Dview_file%26file_id%3DMU9900198.pdf
Description
Summary:The genus Eudyptes consists of six species distributed throughout the subantarctic islands and the Antarctic Peninsula (Watson et a1 1971). At many of the breeding localities species are sympatric (Warham 1975). There has been one published report of mixed species pair of Eudyptes penguins breeding, that of an Erect-crested E sclaten-Rockhopper Penguin E chrysocome pair on West Point Island in the Falkland Islands (South Atlantic Ocean) between 1961 and 1966 (Napier 1968). The only account of a hybrid eudyptid penguin was reported by Simpson (1985), who documented a Rock-hopper x Royal Penguin E schlegeli hybrid collected at Macquarie Island in 1957. Simpson (1985) also reported an Erect-crested-Royal Penguin pair during the moult period following the breeding season at Macquarie Island in January 1964. We present details of three Rockhopper x Macaroni Penguin (E chrysolophus) hybrids from Heard and R h i o n Islands.

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