Close up of displaying skua

Skuas are aggressive birds and highly territorial during breeding season, visual displays, known as long call displays, are frequently employed in territory defence.

Bibliographic Details
Main Author:	Olavarria, Carlos
Format:	Still Image
Language:	unknown
Published:	School of Biological Sciences, University of Auckland 2009
Subjects:	Birds Land & seabirds Aves Charadriiformes Stercorariidae - Skuas Catharacta lonnbergi - Brown Skua Antarctic Antarctic Peninsula South Shetland Islands Antarc* Brown Skua
Online Access:	http://dtlappprd01.its.auckland.ac.nz:1801/webclient/DeliveryManager?pid=39192&custom_att_2=simple_viewer http://digitool.auckland.ac.nz:1801/webclient/DeliveryManager?pid=39168

Description
Summary:	Skuas are aggressive birds and highly territorial during breeding season, visual displays, known as long call displays, are frequently employed in territory defence.