▪ Abstract The extent and diversity of sexual dichromatism in birds is thought to be due to the
intensity of current sexual selection on the plumage ornamentation of males and females …

Many of the colour displays of animals are proposed to have evolved in response to female
mate choice for honest signals of quality, but such honest signalling requires mechanisms to …

Gull chicks beg for food from their parents. Peacocks spread their tails to attract potential
mates. Meerkats alert family members of the approach of predators. But are these--and other …

A fully updated guide to the increasingly prevalent use of molecular data in ecological
studies Molecular ecology is concerned with how molecular biology and population genetics …

Coloration is a diagnostic tool for identifying mammals, but inquiry into its function has lain
dormant for almost a century. Recently, the topic has been revived and modern phylogenetic …

Many male birds use carotenoid pigments to acquire brilliant colors that advertise their
health and condition to prospective mates. The direct means by which the most colorful …

The first comprehensive review of all aspects of the biology of moult, drawing information
from across the literature and in all birds, from penguins to passerines. Feathers are …

The expression of most life history traits, such as immunity, growth and the development of
sexual signals, is negatively affected by high levels of oxidative stress. Dietary antioxidants …

The Fisher-inspired, arbitrary intersexual selection models of and, including both stable and
unstable equilibrium conditions, provide the appropriate null model for the evolution of traits …

We briefly review the literature on social learning in birds, concluding that strong evidence
exists mainly for predator recognition, song, mate choice and foraging. The mechanism of …