Repeated Successful Nest Sharing and Cooperation Between Western Kingbirds (Tyrannus verticalis) and a Female Western Kingbird × Scissor‐Tailed Flycatcher (T. forficatus) Hybrid

ABSTRACT Nest sharing by birds, or the phenomenon where multiple individuals of different species contribute genetically and parentally to offspring in a single nest, is a rare form of cooperative breeding that has only occasionally been reported in socially monogamous birds. Here we describe, both...

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Main Authors: Alexander J. Worm, Emily R. Donahue, Than J. Boves, Andrew D. Sweet
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:Ecology and Evolution
Subjects:
Online Access:https://doi.org/10.1002/ece3.70818
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author Alexander J. Worm
Emily R. Donahue
Than J. Boves
Andrew D. Sweet
author_facet Alexander J. Worm
Emily R. Donahue
Than J. Boves
Andrew D. Sweet
author_sort Alexander J. Worm
collection DOAJ
description ABSTRACT Nest sharing by birds, or the phenomenon where multiple individuals of different species contribute genetically and parentally to offspring in a single nest, is a rare form of cooperative breeding that has only occasionally been reported in socially monogamous birds. Here we describe, both behaviorally and genetically, the unique case of two female birds, a western kingbird (Tyrannus verticalis) and a western kingbird × scissor‐tailed flycatcher (T. forficatus) hybrid, simultaneously occupying (and likely co‐incubating eggs in) a single nest. Both females provisioned nestlings, and they did this in two consecutive years (producing four fledglings each year). Genomic data from the females revealed that they were unrelated, and parentage analyses revealed that both females contributed genetically to at least one of the offspring, and at least two fathers were involved. These observations represent the first reported case of nest sharing involving a hybrid individual and the first case within the family Tyrannidae.
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spelling doaj-art-cb2943d924514c4eb1f4ec35cf1fc4282025-01-29T05:08:41ZengWileyEcology and Evolution2045-77582025-01-01151n/an/a10.1002/ece3.70818Repeated Successful Nest Sharing and Cooperation Between Western Kingbirds (Tyrannus verticalis) and a Female Western Kingbird × Scissor‐Tailed Flycatcher (T. forficatus) HybridAlexander J. Worm0Emily R. Donahue1Than J. Boves2Andrew D. Sweet3Department of Biological Sciences Arkansas State University Jonesboro Arkansas USADepartment of Biological Sciences Arkansas State University Jonesboro Arkansas USADepartment of Biological Sciences Arkansas State University Jonesboro Arkansas USADepartment of Biological Sciences Arkansas State University Jonesboro Arkansas USAABSTRACT Nest sharing by birds, or the phenomenon where multiple individuals of different species contribute genetically and parentally to offspring in a single nest, is a rare form of cooperative breeding that has only occasionally been reported in socially monogamous birds. Here we describe, both behaviorally and genetically, the unique case of two female birds, a western kingbird (Tyrannus verticalis) and a western kingbird × scissor‐tailed flycatcher (T. forficatus) hybrid, simultaneously occupying (and likely co‐incubating eggs in) a single nest. Both females provisioned nestlings, and they did this in two consecutive years (producing four fledglings each year). Genomic data from the females revealed that they were unrelated, and parentage analyses revealed that both females contributed genetically to at least one of the offspring, and at least two fathers were involved. These observations represent the first reported case of nest sharing involving a hybrid individual and the first case within the family Tyrannidae.https://doi.org/10.1002/ece3.70818avian reproductioncooperative breedinghybridizationpaternity analysisSNPswhole‐genome
spellingShingle Alexander J. Worm
Emily R. Donahue
Than J. Boves
Andrew D. Sweet
Repeated Successful Nest Sharing and Cooperation Between Western Kingbirds (Tyrannus verticalis) and a Female Western Kingbird × Scissor‐Tailed Flycatcher (T. forficatus) Hybrid
Ecology and Evolution
avian reproduction
cooperative breeding
hybridization
paternity analysis
SNPs
whole‐genome
title Repeated Successful Nest Sharing and Cooperation Between Western Kingbirds (Tyrannus verticalis) and a Female Western Kingbird × Scissor‐Tailed Flycatcher (T. forficatus) Hybrid
title_full Repeated Successful Nest Sharing and Cooperation Between Western Kingbirds (Tyrannus verticalis) and a Female Western Kingbird × Scissor‐Tailed Flycatcher (T. forficatus) Hybrid
title_fullStr Repeated Successful Nest Sharing and Cooperation Between Western Kingbirds (Tyrannus verticalis) and a Female Western Kingbird × Scissor‐Tailed Flycatcher (T. forficatus) Hybrid
title_full_unstemmed Repeated Successful Nest Sharing and Cooperation Between Western Kingbirds (Tyrannus verticalis) and a Female Western Kingbird × Scissor‐Tailed Flycatcher (T. forficatus) Hybrid
title_short Repeated Successful Nest Sharing and Cooperation Between Western Kingbirds (Tyrannus verticalis) and a Female Western Kingbird × Scissor‐Tailed Flycatcher (T. forficatus) Hybrid
title_sort repeated successful nest sharing and cooperation between western kingbirds tyrannus verticalis and a female western kingbird scissor tailed flycatcher t forficatus hybrid
topic avian reproduction
cooperative breeding
hybridization
paternity analysis
SNPs
whole‐genome
url https://doi.org/10.1002/ece3.70818
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