The neuroendocrinology of ingestive behavior is a topic central to human health, particularly
in light of the prevalence of obesity, eating disorders, and diabetes. The study of food intake …

Animals often need to signal to attract mates and behavioural signalling may impose
substantial energetic and fitness costs to signallers. Consequently, individuals often …

Until 30 years ago, the emphasis on reproductive costs for males was mainly on costs
related to mate searching, courtship and fighting with rival males. However, costs for males …

Mate-guarding is an important determinant of male reproductive success in a number of
species. However, it is known to potentially incur costs. The aim of the present study was to …

Coastal ecosystems, including tidal flats, are exposed to recreational activity-driven
trampling. The white-clawed fiddler crab, Austruca lactea, is endangered in South Korea …

Females often have strong preferences for the most attractive males that provide the greatest
benefits. However, searching for and sampling potential mates is costly. Females are …

Highlights•Male white-clawed fiddler crabs changed their vibrations depending on
context.•Train duration was longer during courtship than during agonistic …

Many animals utilize multimodal signals for mate attraction and courtship. Each one of these
signals could possibly provide information to receivers about aspects of the sender's quality …

Fiddler crabs show two different mating modes: either females search and crabs mate
underground in male burrows, or males search and crabs mate on the surface near female …

A growing body of research over the past decade indicates that interindividual variation in
behavior can result from a variety of factors. Two important sources of this variation are …