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Sibling rivalry in Black-legged Kittiwakes by Adriana Vallarino (Paperback, 2009)

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In some birds a direct competition between siblings occur. Several differences within clutches and broods influence this competence. The main asynchronies are present in egg components, egg size and age. These differences were studied and experimentally manipulated to investigate their influence on sibling rivalry. Kittiwake mothers lay mainly two eggs asynchronously provoking chicks to hatch with a difference of 12 to 24 hrs. This difference in hours is enough to favour first hatched siblings in terms of age and size. When food is not enough, first hatched chicks will aggressively expel their siblings from the nest before 2 weeks of age. On the other hand, hormone differences between first and second laid eggs that favour second hatched chicks were found. These hormonal differences make second hatched more competitive and able to cope with an aggressive and older sibling. Survival results from the experimental manipulations of brood composition in the outcome of sibling rivalry are surprisingly contra intuitive. It seems that the asynchronies within a kittiwake brood are present to maintain an equilibrium in order to favour the maximum fitness of siblings and parents.

Product Identifiers

Publisher
Vdm Verlag
ISBN-13
9783639219890
eBay Product ID (ePID)
25049017072

Product Key Features

Author
Adriana Vallarino
Publication Name
Sibling Rivalry in Black-Legged Kittiwakes
Format
Paperback
Language
English
Subject
Zoology
Publication Year
2009
Type
Textbook
Number of Pages
172 Pages

Dimensions

Item Height
229mm
Item Width
152mm
Item Weight
259g

Additional Product Features

Title_Author
Adriana Vallarino
Country/Region of Manufacture
Germany

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Sibling rivalry in Black-legged Kittiwakes by Adriana Vallarino (Paperback, 2009)

About this product

Product Information

Product Identifiers

Product Key Features

Dimensions

Additional Product Features

Best Selling in Adult Learning & University

Permaculture: A Designer's Manual by Bill Mollison (Hardcover, 1988)

Australian Native Bee Book: Keeping Stingless Bee Hives for Pets, Pollination and Sugarbag Honey by Tim Heard (Paperback, 2015)

The Weed Forager's Handbook: A Guide to Edible and Medicinal Weeds in Australia by Adam Grubb, Annie Raser-Rowland (2012, Paperback)

Empire of the Summer Moon: Quanah Parker and the Rise and Fall of the Comanches, the Most Powerful Indian Tribe in American History by S.C. Gwynne (Paperback, 2011)

Botanical Field Guide by Stefan Mager (Fold-out book or chart, 2021)

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Save on Adult Learning & University

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