Compared to those of their parents, are the traits of first-generation (F1) hybrids typically
intermediate, biased toward one parent, or mismatched for alternative parental phenotypes …

Space is a limited resource in which many animals need to perform basic functions such as
feeding and reproducing. Competition over access to space can induce a variety of …

In recent years there has been considerable interest in carotenoids with respect to their
biological roles in animals, microorganisms, and plants, in addition to their use in the …

Introductions of invasive species to new environments often result in rapid rates of trait
evolution. While in some cases these evolutionary transitions are adaptive and driven by …

Phenotypic traits may be linked to speciation in two distinct ways: character values may
influence the rate of speciation or diversification in the trait may be associated with …

Animals communicate using a variety of signals that differ dramatically among and within
species. The astonishing dewlap diversity in anoles has attracted considerable attention in …

Delimiting young species is one of the great challenges of systematic biology, particularly
when the species in question exhibit little morphological divergence. Anolis distichus, a …

Color and pattern are often critical to survival and fitness, but we know little about their
genetic architecture and heritability in groups like reptiles. We investigated the genetic …

In some animals, males use colorful ornaments or badges to visually communicate with
conspecifics. These traits can be condition‐dependent, suggesting that environmental …

Animal body coloration is often linked to social dominance and mating success. This is
because it can carry information on an animal's body condition and competitive ability by …