Kin selection does not explain male aggregation at leks of 4 manakin species

Loiselle, Bette A.; Ryder, Thomas B.; Durães, Renata; Tori, Wendy; Blake, John G.; Parker, Patricia G.

doi:10.1093/beheco/arl081

Cited by 42 publications

(31 citation statements)

References 25 publications

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“…This likely reflects the large variation observed in the distribution of display courts and considerably large inter‐court distances observed in continuous forests (~150 m), suggesting that the number of courts remaining in forest fragments was not severely reduced following fragmentation. Similar levels of variation in the composition and spatial distribution of leks have been reported in studies of other lekking species (Théry 1990, Prum 1994, Tello 2001, Loiselle et al 2007b).…”

Section: Discussionsupporting

confidence: 79%

“…The characteristics of leks, such as the number of males present, distance from other courts, and male activity rates, may vary among populations (Prum and Johnson 1987, Théry 1990, 1992, Prum 1994, Tello 2001, Durães et al 2007, Loiselle et al 2007b). Furthermore, male activity rates might be higher in larger leks due to an increase in rates of social interaction (Durães et al 2009, Bosholn et al 2016), and the number of males at display courts may vary with the distance between neighboring leks (Wegge and Rolstad 1986, Rolstad and Wegge 1987, Höglund and Alatalo 1995, Rosselli et al 2002).…”

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confidence: 99%

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Effects of forest fragmentation on the lekking behavior of White‐throated Manakins in Central Amazonia

Tolentino

Anciães

2020

J. Field Ornithol.

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Forest fragmentation can affect various aspects of population dynamics, but few investigators have assessed possible effects on the behavior of a species. Loss of habitat may limit population recruitment and abundance, which may alter breeding dynamics in forest remnants. We examined the lekking behavior of White‐throated Manakins (Corapipo gutturalis) in a fragmented landscape to determine if forest fragmentation affected the spatial distribution of display courts and male behavior at courts. We captured and observed males at 19 courts located in 11 primary forests of different sizes in forest habitats of the Biological Dynamics of Forest Fragments Project area, an experimentally fragmented landscape located in the central Brazilian Amazon, and estimated their spatial distribution as the distance to the nearest court in the landscape. We quantified habitat loss using the proportion of forest cover surrounding courts and their distances to forest edges. No courts were detected in 1‐ha forest fragments, suggesting direct effects from habitat loss following fragmentation that affected connectivity and thus recruitment and persistence of courts in the smallest fragments. The spatial distribution of display courts in forests larger than 10 ha remained unaltered, compared to display courts in continuous forests, but adult males were less numerous on courts with a higher percentage of forest cover and they displayed less on courts closer to forest edges. The spatial distribution of courts also contributed to variation in male social behavior, with more juvenile males present and adult males displaying at lower rates at more isolated courts. Although White‐throated Manakins are locally common, the observed behavioral changes in response to habitat loss may affect their population dynamics. Our results show the importance of assessing behavioral changes in conservation programs and, in particular, of including biologically relevant measures of habitat loss in addressing its possible effects on species persistence in fragmented landscapes.

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Section: Discussionsupporting

confidence: 79%

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confidence: 99%

Effects of forest fragmentation on the lekking behavior of White‐throated Manakins in Central Amazonia

Tolentino

Anciães

2020

J. Field Ornithol.

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“…How within-lek vocal similarities arise in the songs of pihas is an interesting question for future research. This phenomenon could arise if males join the leks of related males, as is seen in some lekking birds (e.g., Höglund et al 1999, Petrie et al 1999 though not in others (e.g., DuVal 2007, Loiselle et al 2007). Alternatively, it may arise because individuals modify or learn their songs on the basis of features of established males in the leks where they ultimately settle.…”

Section: Discussionmentioning

confidence: 99%

INDIVIDUAL VARIATION AND LEK-BASED VOCAL DISTINCTIVENESS IN SONGS OF THE SCREAMING PIHA (LIPAUGUS VOCIFERANS), A SUBOSCINE SONGBIRD

Fitzsimmons

Barker

Mennill

2008

Auk

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“…Brumfield & M. Braun 2003, personal communication) and isolated seven polymorphic markers for the genotyping of individual wire-tailed manakins. PCR reagents and reaction conditions are detailed elsewhere (Loiselle et al 2007b). We tagged our PCR products using fluorescently labelled forward primers (Applied Biosystems, Inc., Foster City, CA).…”

Section: Methodsmentioning

confidence: 99%

It takes two to tango: reproductive skew and social correlates of male mating success in a lek-breeding bird

et al. 2009

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Variance in reproductive success among individuals is a defining characteristic of many social vertebrates. Yet, our understanding of which male attributes contribute to reproductive success is still fragmentary in most cases. Male-male reproductive coalitions, where males jointly display to attract females, are of particular interest to evolutionary biologists because one male appears to forego reproduction to assist the social partner. By examining the relationship between social behaviour and reproductive success, we can elucidate the proximate function of coalitions in the context of mate choice. Here, we use data from a 4-year study of wire-tailed manakins (Pipra filicauda) to provide molecular estimates of reproductive skew and to test the hypothesis that male-male social interactions, in the context of coordinated displays, positively influence a male's reproductive success. More specifically, we quantify male-male social interactions using network metrics and predict that greater connectivity will result in higher relative reproductive success. Our data show that four out of six leks studied had significant reproductive skew, with success apportioned to very few individuals in each lek. Metrics of male social affiliations derived from our network analysis, especially male connectivity, measured as the number of males with whom the focal male has extended interactions, were strong predictors of the number of offspring sired. Thus, network connectivity is associated with male fitness in wire-tailed manakins. This pattern may be the result of shared cues used by both sexes to assess male quality, or the result of strict female choice for coordinated display behaviour.

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Kin selection does not explain male aggregation at leks of 4 manakin species

Cited by 42 publications

References 25 publications

Effects of forest fragmentation on the lekking behavior of White‐throated Manakins in Central Amazonia

Effects of forest fragmentation on the lekking behavior of White‐throated Manakins in Central Amazonia

INDIVIDUAL VARIATION AND LEK-BASED VOCAL DISTINCTIVENESS IN SONGS OF THE SCREAMING PIHA (LIPAUGUS VOCIFERANS), A SUBOSCINE SONGBIRD

It takes two to tango: reproductive skew and social correlates of male mating success in a lek-breeding bird

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