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WEAVERBIRD_DEFENCE SIGNED

Unravelling an extended phenotype: sexual selection and the evolution of nest architecture in weaverbird defence against brood parasitism

Total Cost €

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EC-Contrib. €

0

Partnership

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 WEAVERBIRD_DEFENCE project word cloud

Explore the words cloud of the WEAVERBIRD_DEFENCE project. It provides you a very rough idea of what is the project "WEAVERBIRD_DEFENCE" about.

analysing    reciprocally    coevolutionary    interacts    precisely    fundamental    diversity    biodiversity    trait    pressures    brood    tricks    little    male    hundred    context    diverse    life    social    cuckoos    exhibit    computational    interactions    races    islands    opportunity    potentially    closely    phenotypic    evolution    existed    weaverbirds    deterrent    populations    intraspecific    evolutionary    diederik    arms    pace    forms    generations    coevolution    cuckoo    hypothesis    techniques    species    gap    parasite    biologists    maintains    females    laying    interact    parasitic    architectural    outcomes    quantified    parasites    gaining    combat    hosts    textbook    sexually    doubles    analytical    preventing    unrivalled    defences    partition    influences    extended    host    absence    elaborate    mating    sexual    substantially    choose    defence    contributes    interdisciplinary    trajectory    architecture    selecting    parasitism    nest   

Project "WEAVERBIRD_DEFENCE" data sheet

The following table provides information about the project.

Coordinator
THE CHANCELLOR MASTERS AND SCHOLARSOF THE UNIVERSITY OF CAMBRIDGE 

Organization address
address: TRINITY LANE THE OLD SCHOOLS
city: CAMBRIDGE
postcode: CB2 1TN
website: www.cam.ac.uk

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Total cost 289˙732 €
 EC max contribution 289˙732 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2018
 Funding Scheme MSCA-IF-GF
 Starting year 2019
 Duration (year-month-day) from 2019-07-08   to  2022-07-07

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    THE CHANCELLOR MASTERS AND SCHOLARSOF THE UNIVERSITY OF CAMBRIDGE UK (CAMBRIDGE) coordinator 289˙732.00
2    TRUSTEES OF PRINCETON UNIVERSITY US (PRINCETON, NJ) partner 0.00

Map

 Project objective

A major challenge for evolutionary biologists is to explain how selection maintains biodiversity. Coevolution between closely associated species contributes substantially to the diversity of life. Yet little is known about how coevolutionary pressures between different species interact with selection from intraspecific social interactions. I will address this fundamental gap in our knowledge by analysing how sexual selection interacts with the evolution of host defences against a brood parasite. Cuckoos and their hosts provide a textbook example of coevolution, by reciprocally selecting for better parasitic tricks or better host defences. I will determine whether sexual selection influences the trajectory and pace of coevolutionary change and investigate whether this is why similar coevolutionary arms races have such diverse outcomes. The weaverbirds and their brood parasite the Diederik cuckoo provide an unrivalled opportunity to test this hypothesis given that weaverbirds exhibit a sexually-selected extended phenotypic trait: an elaborate nest that the females choose before mating with the male and laying in his nest. This trait also potentially doubles as a deterrent to brood parasites, by preventing them from gaining access to the nest. Second, this trait can be precisely quantified by applying state-of-the-art computational and analytical techniques to this novel context. Third, populations of weaverbirds have been introduced to islands where they have existed in the absence of selection from brood parasitism for over one hundred generations, providing the opportunity to partition out effects of different selection pressures. With this interdisciplinary approach I will investigate whether nest architectural defences have evolved to combat brood parasitism, how the evolution of these defences interacts with sexual selection, and how the evolution of nest architecture influences the evolution of other forms of defence against brood parasites.

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