Adult skua beside fighting chicks

Siblicide is a common occurrence with south polar skuas, it is a behaviour that has evolved and therefore is thought to increase the reproductive success of a brooding pair.

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 Chatharacta maccormicki - South Polar Skua Cape Crozier Crozier Ross Island Antarc* Antarctica South Polar Skuas
Online Access:	http://dtlappprd01.its.auckland.ac.nz:1801/webclient/DeliveryManager?pid=38820&custom_att_2=simple_viewer http://digitool.auckland.ac.nz:1801/webclient/DeliveryManager?pid=38778

Description
Summary:	Siblicide is a common occurrence with south polar skuas, it is a behaviour that has evolved and therefore is thought to increase the reproductive success of a brooding pair.