Differences in rates of nest-visitation and removal of faecal sacs by male and female White-rumped Swallows

Bulit, Florencia; Palmerio, Andrés G.; Massoni, Viviana

doi:10.1071/mu07068

Cited by 12 publications

(8 citation statements)

References 24 publications

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“…Another explanation for the low return rate of unsuccessful females (compared with males) is that they may suffer higher mortality than males, as females work significantly harder when raising offspring (i.e. higher number of feeding visits, see Bulit et al. 2008).…”

Section: Discussionmentioning

confidence: 99%

“…Our estimates of apparent survival are similar to the lowest value reported for Tree Swallows and this relatively low adult survival is expected to be accompanied by a greater reproductive effort of the southern species (Skutch 1985, Martin 1996). The nestling feeding rates of White‐rumped Swallows are twice those of the northern species (Bulit et al. 2008); therefore, a higher investment in parental feeding rates might be related to their relatively low apparent survival.…”

Section: Discussionmentioning

confidence: 99%

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Apparent survival and return rate of breeders in the southern temperate White‐rumped Swallow Tachycineta leucorrhoa

Bulit¹,

Massoni

2010

Ibis

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Life‐histories and demographic parameters of southern temperate bird species have been little studied. We estimated return rates between years and sexes, and adult apparent survival and recapture probabilities with mark–recapture data on White‐rumped Swallows and found a lower return rate of unsuccessful females. There was little support for influences of sex or year on survival rates. The estimates were equivalent to the lowest value reported for a northern congener, in contrast to the prediction of geographical variation under life‐history theory.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Apparent survival and return rate of breeders in the southern temperate White‐rumped Swallow Tachycineta leucorrhoa

Bulit¹,

Massoni

2010

Ibis

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“…They are socially monogamous, but extra-pair paternity is common, with 56% of nestlings in a colony being extra-pair (Ferretti, Massoni, Bulit, Winkler, & Lovette, 2011). Only females incubate eggs, but both parents feed nestlings, remove faecal sacks, and defend the brood (Bulit, Palmerio, & Massoni, 2008;this study). Pairs have up to one successful breeding attempt per season (Marques-Santos, Braga, .…”

Section: Study Populationmentioning

confidence: 99%

Parenting styles in white‐rumped swallows (Tachycineta leucorrhoa) show a trade‐off between nest defense and chick feeding

et al. 2018

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Studies about personalities in wild animals usually focus on five categories of behavioral traits that do not easily accommodate all aspects of parental care, a class of behaviors with direct consequence to reproductive success. Parental care can vary consistently between individuals and constitute parenting styles. Here we investigate the consistency of four behaviors of parental care across two breeding seasons of white‐rumped swallows Tachycineta leucorrhoa in southern Brazil. These behaviors are a prospection of potential nest‐sites, nest defense against predators or conspecifics, and chick feeding. If these first three behaviors are consistent, they can be classified according to the standard categories of personality as exploration, boldness, and aggressiveness, respectively. We find that all behaviors, except exploration, are consistent between individuals in the long term. We also show that, besides individual identity, couple identity is an important component explaining variation in behavior. This pattern can arise if behavior influences pair formation or if behavior is a consequence of a common environment affecting the couple. We show that, depending on the parental task, males or females are more consistent, suggesting that sexes are adopting different strategies of parental care allocation. We then investigate if there is a trade‐off between nest defense and chick feeding. We find that birds that defend more also feed the brood less often and suggest that testosterone might be the mechanism modulating this trade‐off. Lastly, we discuss the implications of our results to mate choice and highlight the need for studies linking parenting styles to fitness in swallow species.

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“…White‐rumped Swallows are socially monogamous, only females incubate the eggs, and both adults care for the young (Bulit et al. ). When visiting nests, adults were captured in nest boxes using wig‐wag traps (information about these traps is provided at http://golondrinas.cornell.edu/Data_and_Protocol/WigwagAdultTrap.html), then measured and banded with uniquely numbered aluminum bands.…”

Section: Methodsmentioning

confidence: 99%

Ecological opportunities and individual condition as predictors of extra-pair paternity in a south-temperate swallow (Tachycineta leucorrhoa)

et al. 2018

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Ecological and physiological factors such as breeding density, breeding synchrony, and adult body condition can all affect extra-pair mating behavior, but the relative importance of these factors may vary among species. White-rumped Swallows (Tachycineta leucorrhoa) nesting in Buenos Aires Province, Argentina, exhibit high rates of extra-pair paternity, with 77% of nests having extra-pair young. Our objective was to determine the extent to which extra-pair paternity in this species is explained by breeding synchrony, breeding density, and adult body condition. Our study of a population of White-rumped Swallows breeding in nest boxes was conducted during two consecutive breeding seasons (Septemberearly January 2006-2008. We found that neither breeding synchrony nor density of neighbors predicted levels of extra-pair paternity in our study population. Leaner females were more likely to engage in extra-pair behavior and fledged more nestlings, but did not differ in structural size from females that did not engage in extra-pair behavior, suggesting that female mass is an important predictor of mating decisions and fitness for these aerial insectivores. Male body condition was not related to male extra-pair behavior. The mass of female White-rumped Swallows may affect their flying ability such that, during their fertile period, they are exposed to more potential extra-pair mates during longer foraging flights. Being lighter may also improve the ability of females to provision nestlings later in the breeding cycle. RESUMEN.Oportunidades ecol ogicas y condici on f ısica individual como predictores de paternidad extra pareja en una golondrina del sur templado (Tachycineta leucorrhoa) Factores ecol ogicos y fisiol ogicos, como ser la densidad y sincron ıa reproductiva, y la condici on f ısica de los adultos, pueden afectar el comportamiento de apareamiento extra pareja, pero la importancia relativa de estos factores puede variar entre especies. Las Golondrinas de Ceja Blanca (Tachycineta leucorrhoa) que nidifican en la Provincia de Buenos Aires, Argentina, tienen altas tasas de paternidad extra pareja, con un 77% de nidos con pichones extra pareja. Nuestro objetivo fue el de determinar en qu e medida la paternidad extra pareja en esta especie puede ser explicada por la sincron ıa reproductiva, la densidad reproductiva y la condici on f ısica de los adultos. Nuestro estudio de una poblaci on de Golondrinas de Ceja Blanca nidificante en cajas nido fue llevado a cabo durante dos temporadas reproductivas consecutivas (Septiembre-a comienzos de Enero 2006de Enero -2008. Encontramos que ni la sincron ıa, ni la densidad de vecinos pueden predecir los niveles de paternidad extra pareja en nuestra poblaci on de estudio. Las hembras involucradas en comportamientos extra pareja fueron m as delgadas, y estas hembras tuvieron m as volantones, pero no difirieron en tamaño corporal con aquellas hembras que no tuvieron comportamientos extra pareja, sugiriendo que la masa de las hembras es un predictor importante de las decisiones de apa...

show abstract

Differences in rates of nest-visitation and removal of faecal sacs by male and female White-rumped Swallows

Cited by 12 publications

References 24 publications

Apparent survival and return rate of breeders in the southern temperate White‐rumped Swallow Tachycineta leucorrhoa

Apparent survival and return rate of breeders in the southern temperate White‐rumped Swallow Tachycineta leucorrhoa

Parenting styles in white‐rumped swallows (Tachycineta leucorrhoa) show a trade‐off between nest defense and chick feeding

Ecological opportunities and individual condition as predictors of extra-pair paternity in a south-temperate swallow (Tachycineta leucorrhoa)

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