A large number of sexual selection studies have focused on examining the morphological
and behavioural factors involved in male combat and female choice, such as whether large …

Individual quality has been measured as a variety of different traits and in several different
contexts. However, the implications of such measurements in terms of overall fitness are less …

Despite the empirical and theoretical attention paid to the role of sexual signals in resolving
agonistic interactions between conspecific males, few studies have applied a comparative …

Questions: Does sexual selection operate on locomotor performance? Which taxa are likely
to have locomotor performance influenced by sexual selection? Methods: We reviewed …

The increase in human activities that leads to wildlife decline and species extinction poses
an urgent need for simple indicators of environmental stress in animal populations. Several …

Males of a Croatian population of the lacertid lizard Podarcis melisellensis exhibit a striking
polymorphism, with coloration of the throat and abdomen ranging from completely white, to …

Multiple traits may either signal different characteristics of a male or be redundant. These
multiple signals may convey different messages if they are intended for different receivers …

Summary 1 Male frogs and toads expend considerable energy and experience potential
predation risk while calling in breeding aggregations; similarly, male lizards display …

Animal signals evolve by striking a balance between the need to convey information through
particular habitats and the limitations of what types of signals can most easily be produced …

Lacertid lizards have been hailed as a model system for the study of reptilian chemical
communication. However, results obtained with the genus Podarcis, a diverse group of wall …