Double-digest RAD sequencing reveals low rates of conspecific brood parasitism and no cases of quasi-parasitism in a Neotropical passerine

Arrieta, Ramiro S.; Campagna, Leonardo; Mahler, Bettina; Lovette, Irby J.; Llambías, Paulo E.

doi:10.1676/19-89

Cited by 4 publications

(4 citation statements)

References 35 publications

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“…We performed double-digest restriction site-associated DNA sequencing (ddRAD) for single nucleotide polymorphism (SNP) discovery by following the protocol of Peterson et al (2012) with the modifications described in Thrasher et al (2018). The ddRAD sequencing protocol together with the SNP data analysis were described in Arrieta et al (2020). This procedure resulted in 762 SNPs for the 2015 season, 906 SNPs for 2016 and 855 SNPs for 2017.…”

Section: Ddrad Sequencing and Snp Data Analysismentioning

confidence: 99%

“…Three nestlings (from three different nests) were not genetically related to any sampled adult. We considered them cases of conspecific brood parasitism by an unsampled female who had mated with an unsampled male because CERVUS assigned their nestmates to both putative parents in those three nests (Arrieta et al 2020).…”

Section: Genetic Mating System and Extra-pair Paternitymentioning

confidence: 99%

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Local male breeding density affects extra‐pair paternity in a south temperate population of grass wrensCistothorus platensis

Arrieta

Campagna

Mahler

et al. 2022

Journal of Avian Biology

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Demographic factors can affect the frequency of extra‐pair paternity (EPP) in birds, as the distribution and availability of potential mates in both space and time influence the rate of encounters between females and males. Over three breeding seasons, we intensively studied the breeding system of a south temperate population of grass wrens Cistothorus platensis by genotyping 73 broods (319 nestlings) and estimating EPP rates for those broods. Using five different radii (80, 160, 240, 320 and 400 m) around each nest with assigned paternity, we examined the effects of local breeding synchrony, male breeding density and adult sex ratio (ASR) on the EPP rate. The majority of extra‐pair offspring (~80%) were sired by neighboring males. Neither local breeding synchrony nor ASR consistently explained the EPP rate variation as their effects were only statistically significant within 320 and 400 m. However, the EPP rate increased as the local male breeding density increased within every radius category, strongly suggesting that neighboring male abundance might play an important role in the extra‐pair mating behavior in this species. Our study also highlights the relevance of using a local scale approach when studying mating behavior.

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Section: Ddrad Sequencing and Snp Data Analysismentioning

confidence: 99%

Section: Genetic Mating System and Extra-pair Paternitymentioning

confidence: 99%

Local male breeding density affects extra‐pair paternity in a south temperate population of grass wrensCistothorus platensis

Arrieta

Campagna

Mahler

et al. 2022

Journal of Avian Biology

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“…2018, 2020, Arrieta et al. 2021, Jefferies et al. 2021) so this represents the first detailed study of the song patterns of a mainland, south‐temperate population of Grass Wrens for which breeding biology is also well documented.…”

mentioning

confidence: 92%

“…We provide a detailed description of song structure and organization, song repertoire size, and song sharing for males in a resident, mainland population of Grass Wrens in the south-temperate zone. The mating system and life-history traits of this population have been studied (e.g., Llambı ´as et al 2018, Arrieta et al 2021, Jefferies et al 2021) so this represents the first detailed study of the song patterns of a mainland, south-temperate population of Grass Wrens for which breeding biology is also well documented.…”

Section: Introductionmentioning

confidence: 99%

Structure and organization of songs of south‐temperate Grass Wrens ( Cistothorus platensis )

Coria

Rendall

Ros

et al. 2022

J of Field Ornithology

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Studies of geographic variation in bird song can provide important insights into vocal evolution. An intraspecific approach, focused on a single species with a broad distribution, can be particularly helpful in understanding the diverse selective pressures on the characteristics of songs and singing behavior. Grass Wrens (Cistothorus platensis) are one such species, inhabiting tropical and temperate grasslands across the Neotropics. We studied Grass Wrens in Mendoza, Argentina, to determine the structure, organization, and delivery of their songs, song repertoire sizes, and patterns of song sharing among males in a resident, mainland south-temperate population. Over two breeding seasons, we recorded and analyzed 27,795 songs from 29 color-banded males. Songs of male Grass Wrens contained a few, low-volume introductory notes typically followed by one, but sometimes more, syllable types repeated as a trill. Males often repeated a sequence of two or three different song types (A-B-C, A-B-C, . . .) several times before switching to a different sequence (D-E-F). Syllable and song type sharing was high among males. The size of recorded syllable and song type repertoires of individual males varied with sampling effort. The introduction of new syllable or song types by males slowed, but did not reach asymptotes, with increasingly large samples of recordings. Many of these patterns are consistent with previous reports for Grass Wrens and other Cistothorus wrens, possibly representing core features of song design in this species group. Our results concerning song sharing among males in a resident population are also consistent with a previous proposed relationship between male song sharing and breeding-site fidelity. In the latter respect, Grass Wrens of Central and South America are more similar to Marsh Wrens than Sedge Wrens of North America, providing support for a recently proposed split between Grass Wrens and Sedge Wrens formerly considered conspecific.

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Neither paternity loss nor perceived threat of cuckoldry affects male nestling provisioning in grass wrens

Arrieta

Campagna

Mahler

et al. 2022

Behav Ecol Sociobiol

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Double-digest RAD sequencing reveals low rates of conspecific brood parasitism and no cases of quasi-parasitism in a Neotropical passerine

Cited by 4 publications

References 35 publications

Local male breeding density affects extra‐pair paternity in a south temperate population of grass wrensCistothorus platensis

Local male breeding density affects extra‐pair paternity in a south temperate population of grass wrensCistothorus platensis

Structure and organization of songs of south‐temperate Grass Wrens ( Cistothorus platensis )

Neither paternity loss nor perceived threat of cuckoldry affects male nestling provisioning in grass wrens

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