Buscar
Mostrando ítems 31-40 de 1899
Male and female interactions during courtship of the Neotropical damselfly Mnesarete pudica (Odonata: Calopterygidae)
(Springer Heidelberg, 2012-10-01)
The courtship behavior in calopterygid damselflies is well documented; however, the behavior of the large Neotropical genus Mnesarete is still unknown. Thus, here we present the first description of male-female interactions ...
Male and female interactions during courtship of the Neotropical damselfly Mnesarete pudica (Odonata: Calopterygidae)
(SPRINGER HEIDELBERGHEIDELBERG, 2012-10)
The courtship behavior in calopterygid damselflies is well documented; however, the behavior of the large Neotropical genus Mnesarete is still unknown. Thus, here we present the first description of male-female interactions ...
The gender gap in college major choice in Chile
(Pergamon-Elsevier Science Ltd, 2020)
This paper studies gender differences in college applications in Chile. We use the revealed preferences of students for college major choice by taking advantage of Chile's Centralized Admission System, and estimate a nested ...
Artificial insemination unveils a first-male fertilization advantage in the guppy
(Academic Press Ltd - Elsevier Science Ltd, 2017-09)
Several factors are involved in determining the outcome of sperm competition. In addition to sperm number, sperm quality and male phenotype, insemination order is often associated with skewed paternity share. Patterns of ...
No pain, no gain: Male plasticity in burrow digging according to female rejection in a sand-dwelling wolf spider
(Elsevier Science, 2017-07)
Behavioral plasticity allows individuals to reversibly respond to short-term variations in their ecological and social environment in order to maximize their fitness. Allocosa senex is a burrow-digging spider that inhabits ...
When allowed, females prefer novel males in the polygynous subterranean rodent Ctenomys talarum (tuco-tuco)
(Elsevier Science, 2013-01)
The ability to recognize familiar conspecifics plays an important role at the time of choosing a mating partner in rodents. A laboratory study using preference test was used in order to test the hypothesis that, in the ...
Female mate choice by chemical signals in a semi-terrestrial crab
(Elsevier Science, 2014-05)
Information about the roles of both sexes in pair formation is required to better understand the mechanisms involved in sexual selection. Mate choice could depend on the courtship behavior, involving chemical, tactile and ...
Sexual ornaments reveal the strength of melanization immune response and for longevity of male paper wasps
(Elsevier B.V., 2018-08-01)
It has been recently suggested that female mate choice, based on sexually selected ornaments, is an important component of social wasps' reproductive biology. The correlates of male ornaments that could be of a female's ...
Weak premating isolation between two parapatric brocket deer species
(2017-11-01)
Brocket deer Mazama nemorivaga and M. gouazoubira occur at the Amazon basin and southern areas, respectively, in parapatric distribution ranges. Both species can interbreed in captivity, although hybrids have serious ...