Individuals aim to maximize their fitness by matching their own phenotype to the optimum
phenotype in their environment. Individuals can achieve matching through several …

Conspicuous coloration displayed by animals that express sexual colour dimorphism is
generally explained as an adaptation to sexual selection, yet the interactions and relative …

Male courtship display is common in many animals; in some cases, males engage in
courtship indiscriminately, spending significant time and energy courting heterospecifics …

Female mimicry by males is a widespread phenomenon in several taxa and may be
involved in aggression avoidance or facilitated access to resources. In early developmental …

The interplay between morphological (structures) and behavioral (acts) signals in contest
assessment is still poorly understood. During contests, males of the common wall lizard …

Chemically defended prey often advertise their toxins with bright and conspicuous colors. To
understand why such colors are effective at reducing predation, we need to understand the …

Senescence is a decline in reproduction and survival rate with advancing age resulting from
deterioration of somatic tissues and systems throughout the body. Age-related somatic …

To avoid predation, many animals mimic behaviours and/or coloration of dangerous prey.
Here we examine potential sex-specific mimicry in the jum** spider Habronattus pyrrithrix …

Sexual selection is widespread in animals, but quite naturally studied in adults. Juvenile
males in most animals are not differentiated from females and coloration is usually drab …

Among the most ornate animal traits in nature are the angle-dependent (eg iridescent)
structural colors of many fishes, damselflies, birds, beetles, and butterflies. Though we now …