Nest as an extended phenotype signal of female quality in the great reed warbler

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081766%3A_____%2F16%3A00455184" target="_blank" >RIV/68081766:_____/16:00455184 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216208:11310/16:10332830

Výsledek na webu

<a href="http://dx.doi.org/10.1111/jav.00700" target="_blank" >http://dx.doi.org/10.1111/jav.00700</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/jav.00700" target="_blank" >10.1111/jav.00700</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Nest as an extended phenotype signal of female quality in the great reed warbler

Popis výsledku v původním jazyce

Extended phenotypes with signalling function are mostly restricted to animal taxa that use construction behaviour during courtship displays. However, they can be used also as post-mating signals of mate quality, allowing individuals to obtain reliable information about their partners. Nest size may have such a signalling function and a lot of indirect evidence supports this view. However, direct evidence based on an experimental approach is still widely missing. Here we test the role of nest size in post-mating signalling of mate quality in the great reed warbler Acrocephalus arundinaceus, a passerine with female-restricted nest-building behaviour. Based on observational data, clutch size, nestling weight, brood size and fledglings' propensity to return to their natal site positively correlated with nest size. Moreover, we experimentally enlarged great reed warbler nests to investigate whether this manipulation affects male investment in feeding. We found that males fed their nestlings significantly more intensively on enlarged nests than those on control nests. This suggests that nest size in this species serves as a signal of female quality or willingness to invest in reproduction and that it pays males to enhance their feeding effort according to this signal. Thus, we provide convincing evidence that animal communication takes place through the extended phenotypes and that post-mating signalling of quality is not restricted only to males, but may function equally well in females.

Název v anglickém jazyce

Nest as an extended phenotype signal of female quality in the great reed warbler

Popis výsledku anglicky

Extended phenotypes with signalling function are mostly restricted to animal taxa that use construction behaviour during courtship displays. However, they can be used also as post-mating signals of mate quality, allowing individuals to obtain reliable information about their partners. Nest size may have such a signalling function and a lot of indirect evidence supports this view. However, direct evidence based on an experimental approach is still widely missing. Here we test the role of nest size in post-mating signalling of mate quality in the great reed warbler Acrocephalus arundinaceus, a passerine with female-restricted nest-building behaviour. Based on observational data, clutch size, nestling weight, brood size and fledglings' propensity to return to their natal site positively correlated with nest size. Moreover, we experimentally enlarged great reed warbler nests to investigate whether this manipulation affects male investment in feeding. We found that males fed their nestlings significantly more intensively on enlarged nests than those on control nests. This suggests that nest size in this species serves as a signal of female quality or willingness to invest in reproduction and that it pays males to enhance their feeding effort according to this signal. Thus, we provide convincing evidence that animal communication takes place through the extended phenotypes and that post-mating signalling of quality is not restricted only to males, but may function equally well in females.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

EG - Zoologie

OECD FORD obor

—

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2016

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of avian biology

ISSN

0908-8857

e-ISSN

—

Svazek periodika

47

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

DK - Dánské království

Počet stran výsledku

10

Strana od-do

428-437

Kód UT WoS článku

000384685500015

EID výsledku v databázi Scopus

2-s2.0-84955103376