Skua siblings fighting one another

It has been suggested that for siblicide to evolve, the benefit conferred to the surviving chick must outweigh the cost of losing a sibling.

Bibliographic Details
Main Author: Young, Euan
Format: Still Image
Language:unknown
Published: School of Biological Sciences, University of Auckland 1993
Subjects:
Bird
Land & seabirds
Aves
Charadriiformes
Stercorariidae - Skuas
Chatharacta maccormicki - South Polar Skua
Antarc*
Antarctica
Online Access:http://dtlappprd01.its.auckland.ac.nz:1801/webclient/DeliveryManager?pid=38789&custom_att_2=simple_viewer
http://digitool.auckland.ac.nz:1801/webclient/DeliveryManager?pid=38735
Description
Summary:It has been suggested that for siblicide to evolve, the benefit conferred to the surviving chick must outweigh the cost of losing a sibling.

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