Recent studies of animal personality have focused on its proximate causation and its
ecological and evolutionary significance, but have mostly ignored questions about its …

ABSTRACT A behavioral syndrome is a suite of correlated behaviors expressed either
within a given behavioral context (eg, correlations between foraging behaviors in different …

Sexual and asexual reproduction are found throughout the plant and animal kingdoms.
Asexual reproduction has its advantages, chief among which is that it does not require the …

The past decade has seen a profound change in the scientific understanding of
reproduction. The traditional view of reproduction as a joint venture undertaken by two …

Individual animals differ in the way they cope with challenges in their environment,
comparable with variation in human personalities. The proximate basis of variation in …

Research into the lives of animals in their natural environments has revealed a rich tapestry
of complex social relationships and previously unsuspected social and mating systems. The …

Dispersal is a major determinant of the dynamics and genetic structure of populations, and
its consequences depend not only on average dispersal rates and distances, but also on the …

Avian eggs contain substantial amounts of maternal hormones and so provide an excellent
model to study hormone-mediated maternal effects. We review this new and rapidly evolving …

As is the case with any metaphor, parental effects mean different things to different biologists—
from developmental induction of novel phenotypic variation to an evolved adaptation, and …

Why are females so choosy when it comes to mating? This question has puzzled and
marveled evolutionary and behavioral ecologists for decades. In mating systems in which …