Brood parasitism disproportionately increases nest provisioning and helper recruitment in a cooperatively breeding bird
Obligate avian brood parasites lay their eggs in nests of other species (hosts), which raise parasitic young. Parasitic nestlings are likely to influence host's parental behaviours as they typically beg for food more vigorously than young host for a given hunger level. However, few studies have...
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2011
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03405443_v65_n12_p2279_Ursino http://hdl.handle.net/20.500.12110/paper_03405443_v65_n12_p2279_Ursino |
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paper:paper_03405443_v65_n12_p2279_Ursino2023-06-08T15:34:03Z Brood parasitism disproportionately increases nest provisioning and helper recruitment in a cooperatively breeding bird Ursino, Cynthia Alejandra De Mársico, María Cecilia Sued, Mariela Reboreda, Juan Carlos Agelaioides badius Brood parasitism Cooperative breeding Molothrus Nest provisioning avifauna brood parasitism brood size cooperative breeding egg nestling parental care passerine recruitment (population dynamics) Aves Molothrus Molothrus bonariensis Molothrus rufoaxillaris Obligate avian brood parasites lay their eggs in nests of other species (hosts), which raise parasitic young. Parasitic nestlings are likely to influence host's parental behaviours as they typically beg for food more vigorously than young host for a given hunger level. However, few studies have tested this idea, with conflicting results. These prior studies were largely limited to biparental hosts, but little is known about the effect of brood parasitism on parental behaviours in hosts that breed cooperatively. We followed a multimodel approach to examine the effect of brood parasitism on nest provisioning and helper recruitment in the baywing (Agelaioides badius), a cooperative breeder parasitised by screaming (Molothrus rufoaxillaris) and shiny (Molothrus bonariensis) cowbirds. Multimodel inference results indicated that feeding visits increased with nestling age, cooperative group size and number of cowbird nestlings in the brood. Brood size had little influence on feeding visits, which further suggests that baywings adjusted their provisioning effort in response to cowbird parasitism. In addition, nests parasitised artificially with shiny cowbird eggs or hatchlings recruited more helpers than unmanipulated nests having only host or screaming cowbird young. Our results provide novel evidence that brood parasitism and cooperative breeding interact in determining the levels of nest provisioning. © 2011 Springer-Verlag. Fil:Ursino, C.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:De Mársico, M.C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Sued, M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Reboreda, J.C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2011 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03405443_v65_n12_p2279_Ursino http://hdl.handle.net/20.500.12110/paper_03405443_v65_n12_p2279_Ursino |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Agelaioides badius Brood parasitism Cooperative breeding Molothrus Nest provisioning avifauna brood parasitism brood size cooperative breeding egg nestling parental care passerine recruitment (population dynamics) Aves Molothrus Molothrus bonariensis Molothrus rufoaxillaris |
| spellingShingle |
Agelaioides badius Brood parasitism Cooperative breeding Molothrus Nest provisioning avifauna brood parasitism brood size cooperative breeding egg nestling parental care passerine recruitment (population dynamics) Aves Molothrus Molothrus bonariensis Molothrus rufoaxillaris Ursino, Cynthia Alejandra De Mársico, María Cecilia Sued, Mariela Reboreda, Juan Carlos Brood parasitism disproportionately increases nest provisioning and helper recruitment in a cooperatively breeding bird |
| topic_facet |
Agelaioides badius Brood parasitism Cooperative breeding Molothrus Nest provisioning avifauna brood parasitism brood size cooperative breeding egg nestling parental care passerine recruitment (population dynamics) Aves Molothrus Molothrus bonariensis Molothrus rufoaxillaris |
| description |
Obligate avian brood parasites lay their eggs in nests of other species (hosts), which raise parasitic young. Parasitic nestlings are likely to influence host's parental behaviours as they typically beg for food more vigorously than young host for a given hunger level. However, few studies have tested this idea, with conflicting results. These prior studies were largely limited to biparental hosts, but little is known about the effect of brood parasitism on parental behaviours in hosts that breed cooperatively. We followed a multimodel approach to examine the effect of brood parasitism on nest provisioning and helper recruitment in the baywing (Agelaioides badius), a cooperative breeder parasitised by screaming (Molothrus rufoaxillaris) and shiny (Molothrus bonariensis) cowbirds. Multimodel inference results indicated that feeding visits increased with nestling age, cooperative group size and number of cowbird nestlings in the brood. Brood size had little influence on feeding visits, which further suggests that baywings adjusted their provisioning effort in response to cowbird parasitism. In addition, nests parasitised artificially with shiny cowbird eggs or hatchlings recruited more helpers than unmanipulated nests having only host or screaming cowbird young. Our results provide novel evidence that brood parasitism and cooperative breeding interact in determining the levels of nest provisioning. © 2011 Springer-Verlag. |
| author |
Ursino, Cynthia Alejandra De Mársico, María Cecilia Sued, Mariela Reboreda, Juan Carlos |
| author_facet |
Ursino, Cynthia Alejandra De Mársico, María Cecilia Sued, Mariela Reboreda, Juan Carlos |
| author_sort |
Ursino, Cynthia Alejandra |
| title |
Brood parasitism disproportionately increases nest provisioning and helper recruitment in a cooperatively breeding bird |
| title_short |
Brood parasitism disproportionately increases nest provisioning and helper recruitment in a cooperatively breeding bird |
| title_full |
Brood parasitism disproportionately increases nest provisioning and helper recruitment in a cooperatively breeding bird |
| title_fullStr |
Brood parasitism disproportionately increases nest provisioning and helper recruitment in a cooperatively breeding bird |
| title_full_unstemmed |
Brood parasitism disproportionately increases nest provisioning and helper recruitment in a cooperatively breeding bird |
| title_sort |
brood parasitism disproportionately increases nest provisioning and helper recruitment in a cooperatively breeding bird |
| publishDate |
2011 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03405443_v65_n12_p2279_Ursino http://hdl.handle.net/20.500.12110/paper_03405443_v65_n12_p2279_Ursino |
| work_keys_str_mv |
AT ursinocynthiaalejandra broodparasitismdisproportionatelyincreasesnestprovisioningandhelperrecruitmentinacooperativelybreedingbird AT demarsicomariacecilia broodparasitismdisproportionatelyincreasesnestprovisioningandhelperrecruitmentinacooperativelybreedingbird AT suedmariela broodparasitismdisproportionatelyincreasesnestprovisioningandhelperrecruitmentinacooperativelybreedingbird AT reboredajuancarlos broodparasitismdisproportionatelyincreasesnestprovisioningandhelperrecruitmentinacooperativelybreedingbird |
| _version_ |
1768545189647876096 |