Positive association between social and extra-pair mating in a polygynous songbird, the dickcissel (Spiza americana)

Sousa, Bridget F.; Westneat, David F.

doi:10.1007/s00265-012-1444-y

Cited by 17 publications

(14 citation statements)

References 78 publications

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“…) or size (Green et al. ; Hutchinson & Griffith ), with less ornamented, polygamous (but see Sousa & Westneat ), young, debilitated and smaller males losing more paternity. An extra‐pair fertilization requires that an extra‐pair male encounters a female and achieves copulation.…”

Section: Introductionmentioning

confidence: 99%

“…Thus, both morphological and behavioural traits of males could influence the probability of cuckoldry. Cuckolded males could be different from non-cuckolded males in certain traits related to ornamentation (Lifjeld et al 1997a;Johnsen et al 1998;Canal et al 2011), polygyny status (Pinxten et al 1993;Cordero et al 2003;Pearson et al 2006), age (Bouwman & Komdeur 2005;Johannessen et al 2005;Lubjuhn et al 2007; Moreno et al 2010), condition (Kempenaers et (Green et al 2004;Hutchinson & Griffith 2008), with less ornamented, polygamous (but see Sousa & Westneat 2013), young, debilitated and smaller males losing more paternity. An extra-pair fertilization requires that an extra-pair male encounters a female and achieves copulation.…”

Section: Introductionmentioning

confidence: 99%

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Extra-Pair Paternity Declines with Female Age and Wing Length in the Pied Flycatcher

et al. 2015

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Despite many studies of how male characteristics affect paternity in predominantly monogamous birds, relatively little attention has been given to the traits of females that may influence extra‐pair paternity (EPP). However, the occurrence of EPP may be the result of behavioural interactions in which both male and female traits are important for determining the outcome. If EPP is driven mainly by female choice of extra‐pair sires, older, more experienced or larger females would be better able to evade mate guarding tactics and more capable of selecting extra‐pair mates and resisting unwanted suitors. This would be especially noticeable in females paired with unattractive mates. On the other hand, if EPP is driven mainly by male pursuit, we should expect that young, inexperienced or small females would be more exposed to coercive male approaches independently of social mate traits. In a study of an Iberian population of the pied flycatcher Ficedula hypoleuca, we found that EPP affected 38% of the broods and 17% of the nestlings. These values are relatively high, allowing a relatively large number of affected within‐pair mates to be included. We found that EPP is related to both female and male traits although not to any interaction between male and female traits. EPP was higher at nests tended by both younger and short‐winged females and by browner males. Older females may be more experienced and dominant while long‐winged females may be faster fliers, these traits enabling them to avoid extra‐pair copulations, while brown males are less aggressive towards male intruders. In our study population, EPP appears to be caused by male pursuit, which in some cases may overwhelm female attempts to avoid extra‐pair copulations and their social partner's ability to prevent them.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Extra-Pair Paternity Declines with Female Age and Wing Length in the Pied Flycatcher

et al. 2015

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“…Paternal imprinting is plausible in polygynous systems if females raise offspring in the territories of the males they have chosen (e.g., great reed warblers, Hasselquist et al. ; dickcissels, Sousa and Westneat ) or if males raise their young from multiple broods (e.g., sticklebacks, Whoriskey and Fitzgerald ). Theory suggests that paternal imprinting is likely to evolve in systems where females can accurately identify their fathers (Tramm and Servedio ; Chaffee et al.…”

Section: Discussionmentioning

confidence: 99%

Learning to speciate: The biased learning of mate preferences promotes adaptive radiation

Gilman

Kozak

2015

Evolution

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“…If males are able to maintain associations with multiple females, they increase the opportunity for greater reproductive success through higher numbers of matings (Orians ; Sousa et al . ). If groups of females aggregate, males that defend and mate with multiple females will gain advantages (Emlen & Oring ).…”

Section: Introductionmentioning

confidence: 97%

“…The acquisition of multiple female mates can occur in many different ways from scramble competition (Herberstein et al 2017) and sequential polygyny (Wysocki 2004) to male defence of females or resources important to females (Emlen & Oring 1977). If males are able to maintain associations with multiple females, they increase the opportunity for greater reproductive success through higher numbers of matings (Orians 1969;Sousa et al 2013). If groups of females aggregate, males that defend and mate with multiple females will gain advantages (Emlen & Oring 1977).…”

Section: Introductionmentioning

confidence: 99%

Sex ratio and female allocation to harems in a polygynous bark beetle

2019

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Varying forms of polygyny are observed across many animal groups. In some species, groups of females may remain with a single male for an extended length of time. This is often referred to as harem polygyny. A female‐biased sex ratio has been associated with harem polygynous species. In such species, formation of harems may be an inevitable consequence of the relative lack of available males, rather than multiple females actively choosing to mate with a subset of specific males. The five‐spined bark beetle, Ips grandicollis, is a secondary pest of pine plantations (Pinus spp.). Harem‐like groups are formed when males bore into the bark creating a small nuptial chamber from where they release pheromones, attracting multiple females that build individual galleries associated with the males' chamber. We estimated the sex ratio of I. grandicollis in the flying population compared with those in the logs, and investigated whether females are actively choosing to join the harem of particular males, or if they simply randomly allocate themselves to harems. We also investigated how this female behaviour changes over time since the start of colonisation. The sex ratio in the flying population of I. grandicollis was slightly male biased while the population in pine billets was female biased. Early colonising females (within 2 to 8 days of log infestation) joined males non‐randomly – being more evenly distributed than expected by chance. However, the pattern of allocation differs between these days, with females allocating themselves more randomly later in the colonisation process. In a separate experiment, data collected from logs colonised after 14 days suggest completely random allocation of females to males. These results suggest that when there is a higher proportion of males to females (during early colonisation), females allocate themselves evenly among males, reducing potential between‐female competition. However, as males become rarer, females must join larger harems, but do not appear to exhibit any specific choice behaviour in which harems they join.

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Positive association between social and extra-pair mating in a polygynous songbird, the dickcissel (Spiza americana)

Cited by 17 publications

References 78 publications

Extra-Pair Paternity Declines with Female Age and Wing Length in the Pied Flycatcher

Extra-Pair Paternity Declines with Female Age and Wing Length in the Pied Flycatcher

Learning to speciate: The biased learning of mate preferences promotes adaptive radiation

Sex ratio and female allocation to harems in a polygynous bark beetle

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