Sizing-up the Competition: Factors Modulating Male Display Behavior During Mate Competition

Ethology ◽  
2013 ◽  
pp. n/a-n/a ◽  
Author(s):  
Lindsey Swierk ◽  
Tracy Langkilde
Keyword(s):  
Mate Competition ◽  
Display Behavior ◽  
Male Display

scholarly journals In love and war: The morphometric and phylogenetic basis of ornamentation, and the evolution of male display behavior, in the livebearer genusPoecilia

Evolution ◽  
2019 ◽  
Vol 73 (2) ◽  
pp. 360-377 ◽  
Author(s):  
Daniel L. Goldberg ◽  
Joseph A. Landy ◽  
Joseph Travis ◽  
Mark S. Springer ◽  
David N. Reznick
Keyword(s):  
Display Behavior ◽  
Male Display

Affiliations, aggressions and an adoption: Male–male relationships in wild bonobos

2018 ◽  
Author(s):  
Martin Surbeck ◽  
Gottfried Hohmann
Keyword(s):  
Close Relationships ◽  
Group Living ◽  
Mate Competition ◽  
Male Group ◽  
Cooperative Hunting ◽  
Sexual Behaviours ◽  
Study Population ◽  
Living Species ◽  
The Way

The nature of the relationships between males is a characteristic trait of many multi-male group living species with implications for the individuals. In our study population of bonobos, certain male dyads exhibit clear preferences for ranging in the same party and sitting in proximity. These preferences are not reflected in the frequency of aggression towards each other and only to some extent in their affiliative and socio-sexual behaviours. While bonobo males at LuiKotale clearly do not benefit from close relationships in the way chimpanzee males do (cooperative hunting, territorial patrol, mate competition), some relationships might result from close associations between their mothers. In some particular situations, these male relationships can be very important as in the case of an orphan adopted by his older maternal brother. La nature des relations entre mâles est un trait caractéristique de plusieurs groupes qui ont plusieurs mâles, avec des implications au niveau d’individus. Dans notre étude des populations de bonobos, certains dyades mâles montrent une préférence à aller dans le même groupe et s’asseoir proche l’un de l’autre. Cette préférence n’est pas reflétée dans la fréquence d’agression entre eux et est seulement lié, à degrés, à leur comportements socio-sexuels et d’appartenance. Tandis que les mâles bonobos à LuiKotale ne profitent pas de leur fortes relations comme les chimpanzés mâles (chasse coopérative, patrouille territoriale, compétition pour compagnon), ils peuvent aider leur partenaires à supporter le stress de la vie en groupe et peuvent en conséquence contribuer au bien-être des individus. Quelques proches associations entre les mâles peuvent provenir d’associations entre leurs mères. Dans quelques situations particulières, ces relations mâles prouvent leur importance comme dans le cas d’un orphelin adopté par son grand frère maternel.

scholarly journals Male display characters, gonadal maturation and androgens in the cichlid fish Oreochromis mossambicus

1999 ◽  
Vol 2 (1) ◽  
pp. 67-70 ◽  
Author(s):  
R. F. Oliveira ◽  
V. C. Almada
Keyword(s):  
Cichlid Fish ◽  
Oreochromis Mossambicus ◽  
Gonadal Maturation ◽  
Male Display

scholarly journals Understanding testosterone variation in a tropical lek-breeding bird

2011 ◽  
Vol 7 (4) ◽  
pp. 506-509 ◽  
Author(s):  
Thomas B. Ryder ◽  
Brent M. Horton ◽  
Ignacio T. Moore
Keyword(s):  
Social Status ◽  
Strong Predictor ◽  
Breeding Birds ◽  
Male Dominance ◽  
Surprising Result ◽  
Breeding Bird ◽  
Dominance Hierarchies ◽  
Testosterone Levels ◽  
Male Display ◽  
Pipra Filicauda

Male reproductive coalitions, in which males cooperate to attract females, are a rare strategy among vertebrates. While some studies have investigated ultimate aspects of these relationships, little is known about the mechanistic role that hormones play in modulating cooperative behaviours. Here, we examined male testosterone variation in a tropical lekking bird, the wire-tailed manakin ( Pipra filicauda ), which exhibits cooperative male–male display coalitions. We found that testosterone levels in territorial males were comparable to those of temperate breeding birds, a surprising result given their environmental, social and reproductive dynamics. In addition, social status rather than plumage was a strong predictor of testosterone variation. Territorial males had significantly higher testosterone levels than did two other plumage classes of floater males, who do not hold territories. We hypothesize that testosterone variation plays an important role in the establishment of male dominance hierarchies (competition), while concurrently facilitating stable display partnerships (cooperation).

Reproductive strategies of two forms of flightless males in a non-pollinating fig wasp under partial local mate competition

2010 ◽  
Vol 35 (6) ◽  
pp. 691-697 ◽  
Author(s):  
ZHEN-JI WANG ◽  
YAN-QIONG PENG ◽  
STEPHEN G. COMPTON ◽  
DA-RONG YANG
Keyword(s):  
Reproductive Strategies ◽  
Local Mate Competition ◽  
Mate Competition ◽  
Fig Wasp ◽  
Local Mate

scholarly journals The limits of sexual conflict in the narrow sense: new insights from waterfowl biology

2012 ◽  
Vol 367 (1600) ◽  
pp. 2324-2338 ◽  
Author(s):  
Patricia L. R. Brennan ◽  
Richard O. Prum
Keyword(s):  
Sexual Conflict ◽  
Female Preference ◽  
Indirect Selection ◽  
Direct Selection ◽  
Sensory Bias ◽  
Indirect Benefits ◽  
Female Preferences ◽  
Male Display ◽  
Male Displays ◽  
Coercive Mating

Sexual conflict occurs when the evolutionary interests of the sexes differ and it broadly applies to decisions over mating, fertilization and parental investment. Recently, a narrower view of sexual conflict has emerged in which direct selection on females to avoid male-imposed costs during mating is considered the distinguishing feature of conflict, while indirect selection is considered negligible. In this view, intersexual selection via sensory bias is seen as the most relevant mechanism by which male traits that harm females evolve, with antagonistic coevolution between female preferences and male manipulation following. Under this narrower framework, female preference and resistance have been synonymized because both result in a mating bias, and similarly male display and coercion are not distinguished. Our recent work on genital evolution in waterfowl has highlighted problems with this approach. In waterfowl, preference and resistance are distinct components of female phenotype, and display and coercion are independent male strategies. Female preference for male displays result in mate choice, while forced copulations by unpreferred males result in resistance to prevent these males from achieving matings and fertilizations. Genital elaborations in female waterfowl appear to function in reinforcing female preference to maintain the indirect benefits of choice rather than to reduce the direct costs of coercive mating. We propose a return to a broader view of conflict where indirect selection and intrasexual selection are considered important in the evolution of conflict.

From the bedroom to the budget deficit: Mate competition changes men’s attitudes toward economic redistribution.

2013 ◽  
Vol 105 (6) ◽  
pp. 924-940 ◽  
Author(s):  
Andrew Edward White ◽  
Douglas T. Kenrick ◽  
Rebecca Neel ◽  
Steven L. Neuberg
Keyword(s):  
Budget Deficit ◽  
Mate Competition

scholarly journals A Neuroethological Study of Display Behavior in the LizardAnolis Carolinensis(Reptilia, Lacertilia, Iguanidae)

1977 ◽  
Vol 17 (1) ◽  
pp. 191-201 ◽  
Author(s):  
NEIL GREENBERC
Keyword(s):  
Display Behavior
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