A pair of skua

Skuas, similar to many terrestrial birds of prey, show reversed sexual size dimorphism, where the female is slightly larger than the male. The sexes are otherwise difficult to distinguish.

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=39173&custom_att_2=simple_viewer http://digitool.auckland.ac.nz:1801/webclient/DeliveryManager?pid=39147

Description
Summary:	Skuas, similar to many terrestrial birds of prey, show reversed sexual size dimorphism, where the female is slightly larger than the male. The sexes are otherwise difficult to distinguish.