South polar skua pair showing light and dark colour forms

The adult plumage of the south polar skua occurs in three distinct colour forms. Individuals may have pale, medium or dark plumage. This image shows the difference between pale versus dark individuals.

Bibliographic Details
Main Author:	Wharton, Yvette
Format:	Other/Unknown Material
Language:	unknown
Published:	School of Biological Sciences, University of Auckland 2004
Subjects:	Bird Birds \| Land and Seabirds Aves Charadriiformes Stercorariidae - Skuas Chatharacta maccormicki - South Polar Skua Cape Bird Ross Island Antarc* Antarctica
Online Access:	http://dtlappprd01.its.auckland.ac.nz:1801/webclient/DeliveryManager?pid=38476&custom_att_2=simple_viewer http://digitool.auckland.ac.nz:1801/webclient/DeliveryManager?pid=38471

Description
Summary:	The adult plumage of the south polar skua occurs in three distinct colour forms. Individuals may have pale, medium or dark plumage. This image shows the difference between pale versus dark individuals.