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Relevant bibliographies by topics / Extra-pair copulations

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Academic literature on the topic 'Extra-pair copulations'

Author: Grafiati

Published: 3 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "Extra-pair copulations"

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Tarof, Scott A., and Laurene M. Ratcliffe. "Pair Formation and Copulation Behavior in Least Flycatcher Clusters." Condor 102, no. 4 (2000): 832–37. http://dx.doi.org/10.1093/condor/102.4.832.

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Abstract Least Flycatcher Empidonax minimus pairs form dense clusters of territories on the breeding grounds. We describe pair formation and copulation behavior (both within- and extra-pair) in Least Flycatcher clusters. Pair formation involved a complex behavioral sequence of trill vocalizations and visual display. Within-pair copulations were five times more likely to achieve cloacal contact than were extra-pair copulations. Least Flycatchers exhibited an overall within-pair mating effort of 2.0 ± 0.5 events pair−1 hr−1 compared to an extra-pair mating effort of 1.8 ± 0.3 events pair−1 hr−1.

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Birkhead, TR. "Sperm competition: evolutionary causes and consequences." Reproduction, Fertility and Development 7, no. 4 (1995): 755. http://dx.doi.org/10.1071/rd9950755.

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The interaction between functional and mechanistic approaches to sperm competition and between male and female perspectives are described and illustrated by a study of the zebra finch, Taeniopygia guttata. Sperm competition experiments in the laboratory show that last male sperm precedence occurs (as it does in many other taxa) although the mechanism is unknown (as in most other taxa). Empirically-derived values were used to construct a mathematical model of sperm competition in the zebra finch. The model indicates that precedence occurs as a consequence of: (i) the temporal pattern of pair co

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Zharikov, Yuri, and Erica Nol. "Copulation Behavior, Mate Guarding, and Paternity in the Semipalmated Plover." Condor 102, no. 1 (2000): 231–35. http://dx.doi.org/10.1093/condor/102.1.231.

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Abstract We present behavioral observations and multilocus DNA fingerprinting data on Semipalmated Plovers (Charadrius semipalmatus) breeding in the sub-Arctic. We predicted that, where a large time/energy investment by males during incubation and chick-rearing is crucial for successful reproduction, both extra-pair copulation and fertilization rates would be low. Extra-pair copulations were infrequent (7% of total copulations), as were within pair copulations (0.44 hr−1). Copulations occurred, on average 6.2 days prior to clutch initiation. Males spent 64% of their time in visual contact with

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Mulder, Raoul A. "Extra-group Courtship Displays and Other Reproductive Tactics of Superb Fairy-wrens." Australian Journal of Zoology 45, no. 2 (1997): 131. http://dx.doi.org/10.1071/zo96041.

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A behavioural study was conducted to investigate reproductive strategies of female and male superb fairy-wrens (Malurus cyaneus). Such strategies are of particular interest in this species because males and females form lifelong pair bonds, yet exhibit the highest documented frequency of extra-pair mating among birds. In this study, a conspicuous element of behaviour of males was the performance of a courtship display involving the presentation of a flower or flower petal. This unusual display was performed exclusively (97%) for extra-group females during excursions into neighbouring territori

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WidÉn, Per, and Malena Richardson. "Copulation Behavior in the Osprey in Relation to Breeding Density." Condor 102, no. 2 (2000): 349–54. http://dx.doi.org/10.1093/condor/102.2.349.

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AbstractWe studied Osprey (Pandion haliaetus) copulation behavior in two geographically separated subpopulations with different breeding densities. In the low density area, the nearest neighbor distance between nests was 7 km, and in the high density area 1.4 km. The frequency of successful copulations was significantly higher in the high density area, 0.65 hr−1 as compared to 0.30 hr−1. Extra-pair copulations were recorded only in the high density area, and extra-pair visits by intruding Ospreys also were more frequent there. There was no relation between copulations and delivery of food or n

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Halupka, Konrad, and Dariusz Wysocki. "The Frequency and Timing of Courtship and Copulation in Blackbirds, Turdus Merula, Reflect Sperm Competition and Sexual Conflict." Behaviour 141, no. 4 (2004): 501–12. http://dx.doi.org/10.1163/156853904323066766.

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AbstractIn a long-term field study we estimated the number of copulations per pair in blackbirds at 24.2 in a single reproductive cycle. Thus it seems unlikely that the only function of copulation behaviour is just to guarantee fertilization. We considered three other hypotheses which might explain frequent pair copulation: (1) as an effect of sperm competition, (2) cooperation between pair members aiming at increasing joint production of offspring; or, (3) sexual conflict resulting in female manipulation of allocation of time and energy of the male. We found no positive correlation between th

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Møller, A. P., L. Atkin, and T. R. Birkhead. "Copulation Behaviour of Birds." Behaviour 101, no. 1-3 (1987): 101–38. http://dx.doi.org/10.1163/156853987x00396.

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AbstractInter-specific variation in copulation behaviour among birds is described. The following factors explaining variation in copulation rate are examined: (i) the number of eggs which have to be fertilized (the fertilization hypothesis), (ii) the importance of the pair-bond (the social bond hypothesis), (iii) predation risk during copulation (the predation hypothesis), and (iv) cuckoldry risk (the sperm competition hypothesis). These hypotheses were investigated in preliminary analyses at the generic level using data on copulation behaviour in 131 bird species. The sperm competition hypoth

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Birkhead, Tim R., Ben J. Hatchwell, Robert Lindner, et al. "Extra-Pair Paternity in the Common Murre." Condor 103, no. 1 (2001): 158–62. http://dx.doi.org/10.1093/condor/103.1.158.

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Abstract Multi-locus DNA fingerprinting was used to estimate the frequency of extra-pair paternity in the Common Murre (Uria aalge), a colonial, sexually monomorphic seabird that breeds at very high densities and in which extra-pair copulation is frequent. Common Murres produce a single chick. We detected 6 cases of extra-pair paternity in 77 families (7.8%). This value was higher than the proportion of successful extra-pair copulations (1.6%) estimated from behavioral data from an earlier study of the same population.

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Schleicher, B., F. Valera, H. Ho, and M. Hoi-Leitner. "The Importance of Different Paternity Guards in the Polygynandrous Penduline Tit (Remiz Pendulinus)." Behaviour 134, no. 11-12 (1997): 941–59. http://dx.doi.org/10.1163/156853997x00241.

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AbstractIt is well documented that extra-pair copulations are a strategy by which males can increase their reproductive success and females may obtain genetic benefits. Whereas in monogamous species extra-pair copulations are the only way for both sexes to increase their reproductive success, in polygamous systems both partners can benefit from mating with several individuals. Here we examine the intensity of sperm competition and the rate of extra-pair fertilizations in relation to male anti-cuckoldry tactics in a small passerine, the polygynandrous penduline tit (Remiz pendulinus), where bot

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Sodhi, Navjot S. "Pair Copulations, Extra-Pair Copulations, and Intraspecific Nest Intrusions in Merlin." Condor 93, no. 2 (1991): 433–37. http://dx.doi.org/10.2307/1368960.

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Dissertations / Theses on the topic "Extra-pair copulations"

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Wilson, Leah Catherine. "Mate-Guarding in the Australian Zebra Finch, Taeniopygia guttata: for Males, Protecting Paternity is More Important Than Extra-Pair Copulations." W&M ScholarWorks, 2011. https://scholarworks.wm.edu/etd/1539626913.

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Wagner, Richard Howard. "The role of extra-pair copulation in Razorbill mating strategies." Thesis, University of Oxford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280002.

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Heidrich, Morton Catherine. "Who's Your Daddy? A Study of Extra-Pair Copulation and Mating Behaviors of Protonotaria citrea." VCU Scholars Compass, 2013. http://scholarscompass.vcu.edu/etd/3251.

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Mating behavior has a profound impact on reproductive success and the resulting genetic structure of offspring. Extra-pair copulation is a widely observed behavior within avian species. This study explored the genetic effects of mating behaviors of Prothonotary warblers, Protonotaria citrea (Parulidae), using co-dominant microsatellite markers. Prothonotary warblers are migratory songbirds that build nests in cavities, commonly found in wetland habitats. A set of artificial nest boxes were initiated by Dr Robert Reilly in 2002 in Dutch Gap, Chesterfield County Virginia, USA, a tidal tribut

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Goossens, Benoît. "Système de reproduction et variabilité génétique intra- et interpopulationnelle chez la marmotte alpine (Marmota marmota L. , Sciuridé)." Université Joseph Fourier (Grenoble ; 1971-2015), 1998. http://www.theses.fr/1998GRE10034.

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La marmotte alpine (marmota marmota, sciuride), espece hautement sociale au systeme d'appariement decrit comme etant monogame, suscite un grand interet comme modele d'etude de la socialite chez les mammiferes. Elle forme des unites familiales composees d'un couple dominant et des jeunes issus de portees successives. Apres une etude de faisabilite, l'utilisation des poils comme materiel biologique et des microsatellites comme outil genetique a permis d'etudier le systeme d'appariement de la marmotte alpine en quantifiant les paternites extra-couples dans les groupes familiaux d'une population d

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Book chapters on the topic "Extra-pair copulations"

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Sobral, Gisela. "Extra-Pair Copulation." In Encyclopedia of Animal Cognition and Behavior. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-319-55065-7_343.

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Sobral, Gisela. "Extra-Pair Copulation." In Encyclopedia of Animal Cognition and Behavior. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-47829-6_343-1.

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Thornhill, Randy, and Steven W. Gangestad. "Do Women Have Evolved Adaptation for Extra-Pair Copulation?" In Evolutionary Aesthetics. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-07142-7_13.

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"Extra-Pair Copulations." In Encyclopedia of Evolutionary Psychological Science. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-19650-3_301671.

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"Extra-Pair Copulations (EPCs)." In Encyclopedia of Evolutionary Psychological Science. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-19650-3_301672.

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6

Ligon, J. David. "Extra-pair copulations and their evolutionary significance." In The Evolution of Avian Breeding Systems. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780198549130.003.0012.

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Abstract As discussed in Chapter 11, monogamy is the social mating system practised by the vast majority of birds. This chapter deals with the subject of copulations and fertilizations carried out by individual males and females that are not members of a social mateship. These phenomena are widely referred to as extra-pair copulation (EPC) and extra-pair fertilization (EPF), respectively. Extra-pair paternity (EPP) refers to chicks sired by a male other than the social mate. EPCs may occur with or without EPF, due, for example, to sperm competition. Because EPC is usually recognized by the det

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Birkhead, T. R., and A. P. Moller. "Monogamy and sperm competition in birds." In Partnerships in Birds. Oxford University PressOxford, 1996. http://dx.doi.org/10.1093/oso/9780198548614.003.0018.

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Abstract Monogamy in birds comprises two individuals of the opposite sex remaining together for the duration of one or more breeding events. Until recently monogamy was also assumed to imply an exclusive mating relationship between two individuals (Wittenberger and Wilson 1980), but recent behavioural and molecular studies (reviewed in Birkhead and M0ller 1992) have shattered the illusion of sexual fidelity: in the majority of species extra-pair copulations and fertilizations outside the pair bond occur routinely. The consequences of this are far reaching, and include effects on fundamentally

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Bildstein, Keith L. "Pair Formation and Reproduction." In Vultures of the World. Cornell University Press, 2022. http://dx.doi.org/10.7591/cornell/9781501761614.003.0004.

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This chapter examines pair formation and reproduction, which is an essential aspect of the biology of scavenging birds of prey. Vultures breed seasonally, especially in response to carcass and updraft availability. Excepting several larger and often more predatory species in which females are notably more massive than their male counterparts, males and females differ little in body mass, except for Andean Condors, in which males are larger than females. The Bearded Vulture, a species in which siblicide occurs, also exhibits reversed sexual size dimorphism—that is, the females are larger. Almos

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"Extra Pair Copulation." In Encyclopedia of Evolutionary Psychological Science. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-19650-3_301661.

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"Undetected Extra-Pair Copulation." In Encyclopedia of Evolutionary Psychological Science. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-19650-3_305406.

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