Climate warming leads to a decrease in biodiversity. Organisms can deal with the new
prevailing environmental conditions by one of two main routes, namely evolving new genetic …

The control mechanisms and information content of melanin‐based color signals in birds
have generated much recent interest and controversy among evolutionary biologists. Initial …

Literature Cited to accompany Animal Communication, 2e Page 1 Principles of Animal
Communication, Second Edition Jack W. Bradbury and Sandra L. Vehrencamp Chapter 14 …

In vertebrates, stressors such as starvation or predator attacks stimulate the rapid elevation
of circulating glucocorticoid hormones, triggering physiological and behavioral responses …

An increasing number of studies demonstrate that plant and animal phenologies such as the
timing of bird migration have been advancing over the globe, likely as a result of climate …

Testosterone is a key hormone for the development of secondary sexual characters and
dimorphisms in behavior and morphology of male vertebrates. Because females often …

Growing evidence suggests that structural feather colours honestly reflect individual quality
or body condition but, contrary to pigment‐based colours, it is not clear what mechanism …

Climate change, habitat alteration, range expansions, and biological invasions are all
predicted to require rapid shifts in multiple traits including behavior and life history, both for …

Animals as diverse as cephalopods, insects, fish, and mammals signal social dominance to
conspecifics to avoid costly fights. Even though between-species fights may be equally …

Background Sexual signals, such as bright plumage coloration in passerine birds, reflect
individual quality, and testosterone (T) may play a critical role in maintaining signal honesty …