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31 428 (0,109s) •

Result

Male–Male Strategies

Male–male competition is a powerful mechanism of sexual selection that takes. Other forms of male–male competition include scramble competition fornaccess. Endurance is an important, but ...

EG - Zoologie

  • 2016
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  • C
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  • Link
Result

Male position in a sexual network reflects mating role and body size

competition intensity, the probability of overlap of the ejaculates of different males competition intensity among males adopting two alternative mating roles to understand how competition intensity than ...

Zoology

  • 2023
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  • Jimp
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  • Link
Result

Sexual selection for male dominance reduces opportunities for female mate choice in the European bitterling (Rhodeus sericeus)

We experimentally separated intrasexual (male-male interference competition traits in male success in both components of sexual competition, and their relation was important for both female choice and ...

EG - Zoologie

  • 2005
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  • Jx
Result

When the ball is in the female’s court: the role of male testosterone in the scramblecompetition mating system of the North American red squirrel

Male reproductive success in most mammals is determined by their success in direct inter-male competition through aggression and conflict, resulting in female-defense mating systems being predominant. This is linked to ...

Zoology

  • 2017
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  • O
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  • Link
Result

Sperm depletion as a consequence of increased sperm competition risk in the European bitterling, Rhodeus amarus

males were sensitive to sperm competition risk and modulated ejaculate sizeSperm depletion occurs when males are unable to maintain ejaculate size over temporalscales at different levels of sperm competition risk....

EG - Zoologie

  • 2009
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  • Jx
Result

Assessment of sperm competition by European bitterling, Rhodeus sericeus.

We investigated male assessment of sperm competition in the bitterling. Field experiments showed males increased their inspection rate of mussels into which sperm had been experimentally released. Males avoided lea...

EG - Zoologie

  • 2003
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  • Jx
Result

Adult sex ratio and male body condition affect alternative reproductive tactics in a spider

by enhancing competition for mates. Under intense competition males increase their investment in behaviors to outcompete rivals (e.g., fighting). Yet, given that in male-biased environments mating opportunities ar...

Reproductive biology (medical aspects to be 3)

  • 2022
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  • Jimp
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  • Link
Result

Spermatozoal competition in common carp (Cyprinus carpio): what is the primary determinant of competition success?

= 0.91). The best male sired an average of 88% of the offspring in its competition explain only part of the variation in male competitive ability. The male effects alone gold and five green male ...

GL - Rybářství

  • 2005
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  • Jx
Result

CHOOSY OUTSIDERS? SATELLITE MALES ASSOCIATE WITH SEXY HOSTS IN THE EUROPEAN TREE FROG HYLA ARBOREA

, more competitive males as a result of female preference for some male attribute related to social status or competitive ability. Less successful males attempt investigated the behaviour of satellite ...

EG - Zoologie

  • 2011
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  • Jx
Result

Male-male interference competition decreases spawning rate in the European bitterling (Rhodeus sericeus)

We investigated the consequences of male-male interference competition associated with alternative male mating tactics in the European bitterling (Rhodeus interactions among competing males because of vari...

EG - Zoologie

  • 2004
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  • Jx
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