The kinds of traits involved in male--male competition: a comparison of plumage, behavior, and body size in quail

Hagelin, Julie C.

doi:10.1093/beheco/13.1.32

Cited by 72 publications

(49 citation statements)

References 69 publications

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“…In Galliformes, body size, plumage, coloration, spurs, comb size, and coloration of combs have been demonstrated to play an important role in inter-and intra-sexual selection (Zuk et al 1990;Alatalo et al 1991;Holder and Montgomerie 1993;Zahavi and Zahavi 1997;Hagelin 2002), while vocalizations have been thought to be relatively unimportant (Vehrencamp et al 1989;Leonard and Horn 1995;Wilson et al 2008). Nevertheless, our findings show that temporal and acoustic characteristics of the song did vary among Spot-bellied Bobwhite males and that those males possessing certain variants were more successful in pairing with females than males without those variants.…”

Section: Discussionmentioning

confidence: 99%

Characteristics of male Spot-bellied Bobwhite (Colinus leucopogon) song during territory establishment

Sandoval

Barrantes

2011

J Ornithol

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In song-learning birds, male song shows a large inter-individual variation that frequently plays an important role in intra-and inter-sexual selection. In other bird groups, such as Galliformes, song learning is absent, and inter-individual song variation is small and expected to play a minor, if any, role in sexual contexts. In the Spot-bellied Bobwhite (Colinus leucopogon) we found that many males have a unique set of song features, and our results suggest that female mate choice in this species is based in part on male song traits. Most paired males in our study had longer songs. In addition, these males established territories in the middle of the breeding season, soon after the onset of the rainy season when increases in herbaceous cover and food resources would likely increase offspring and adult survival.

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Section: Discussionmentioning

confidence: 99%

Characteristics of male Spot-bellied Bobwhite (Colinus leucopogon) song during territory establishment

Sandoval

Barrantes

2011

J Ornithol

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“…Contests with no clear winner were excluded (two pairs from aggressiveness and one pair from resource dominance analyses, respectively), as analyses used require an equal number of ‘0’ (0 = loser) and ‘1’ (1 = winner) to be interpreted (e.g. Hagelin ; Edler & Friedl ). Equations, to distinguish winner and loser in aggressiveness and in resource dominance, were formed as follows:

\frac{1 behavioural score}{2 behavioural score} = \frac{\sum^{total number of behavioural events + 0.1 for 1}}{\sum^{total number of behavioural events + 0.1 for 2}}

…”

Section: Methodsmentioning

confidence: 99%

Forehead Patch Size Predicts the Outcome of Male–Male Competition in the Pied Flycatcher

2013

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Males of many animal species express ornaments that affect their reproduction opportunities through male–male competition or female mate choice. Such ornaments can, for example, inform conspecifics about the fighting ability, condition or territory ownership of the bearer. Pied flycatcher (Ficedula hypoleuca) males have a conspicuous white forehead patch that varies greatly in size. We examined whether the white forehead patch is an intrasexually selected trait in a Finnish population. We artificially manipulated forehead patch size to represent two naturally occurring extremes and competed males against each other in the presence of a female. Males with a large forehead patch were more aggressive than males with a small patch, whereas the original patch size of the male had no influence on aggression. Neither manipulated nor original patch size influenced resource dominance (over female or nest box). These results indicate that forehead patch signals fighting ability of the bearer in the pied flycatcher. The next step is to find out what kind of costs may maintain the honesty of this signal.

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“…Crest ornaments might also function as status signals in competition within the sexes. For example, larger crests signal social dominance in both male and female crested auklets (Jones and Hunter 1999), as well as in males of two quail species C. gambelii and C. squamata where experiments indicate that females do not choose mates based on crest ornamentation (Hagelin and Ligon 2001, Hagelin 2002).…”

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confidence: 99%

The crest of the peafowl: a sexually dimorphic plumage ornament signals condition in both males and females

Dakin

2011

Journal of Avian Biology

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Both male and female peafowl grow crests on top of their head – iridescent blue in males, dull iridescent green and brown in females – but the potential signal function of this plumage ornament is unknown. In this study, peafowl crests were measured in three feral populations, and morphological variation in this ornament was studied in relation to body condition (body mass in relation to tarsus length) and health (white blood cell concentration and ectoparasite load). Prior to the start of the breeding season, male crests are wider with greater pennaceous area, and are more likely to have all feathers grown out compared with female crests. Only crest length changed with measurement date, increasing over time; in males, crest measurements were not related to the extent of train feather development. Crest morphology is a potential signal of individual health and condition in both sexes, but in different ways. In females, the amount of crest plumage grown out to its full extent was related to body condition at the start of the breeding season, whereas in males, the size and pennaceous area of the ornament were related to ectoparasite load. Observations of within‐sex agonistic behaviour suggest a possible role for the crest ornament in status signaling in males, because males that engage in more aggressive interactions tend to have wider crests. There was no evidence for a relation between crest morphology and agonistic behaviour in females.

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The kinds of traits involved in male--male competition: a comparison of plumage, behavior, and body size in quail

Cited by 72 publications

References 69 publications

Characteristics of male Spot-bellied Bobwhite (Colinus leucopogon) song during territory establishment

Characteristics of male Spot-bellied Bobwhite (Colinus leucopogon) song during territory establishment

Forehead Patch Size Predicts the Outcome of Male–Male Competition in the Pied Flycatcher

The crest of the peafowl: a sexually dimorphic plumage ornament signals condition in both males and females

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