Skua standing against scree

The south polar skua is the greyest of the skua species and has a variety of colour morphs, however there is usually a clear contrast between their lighter nape and their darker back.

Bibliographic Details
Main Author:	Young, Euan
Format:	Still Image
Language:	unknown
Published:	School of Biological Sciences, University of Auckland 1993
Subjects:	Birds Land & seabirds Aves Charadriiformes Stercorariidae - Skuas Catharacta maccormicki - South Polar Skua Antarc* Antarctica Catharacta maccormicki
Online Access:	http://dtlappprd01.its.auckland.ac.nz:1801/webclient/DeliveryManager?pid=39174&custom_att_2=simple_viewer http://digitool.auckland.ac.nz:1801/webclient/DeliveryManager?pid=39148

Description
Summary:	The south polar skua is the greyest of the skua species and has a variety of colour morphs, however there is usually a clear contrast between their lighter nape and their darker back.