Anthropogenic noise is a pervasive pollutant that decreases environmental quality by
disrupting a suite of behaviors vital to perception and communication. However, even within …

Baseline glucocorticoid (cort) levels are increasingly employed as physiological indices of
the relative condition or health of individuals and populations. Often, high cort levels are …

Glucocorticoids hormones (GC s) are intuitively important for mediation of age‐dependent
vertebrate life‐history transitions through their effects on ontogeny alongside underpinning …

When stimuli from the environment are perceived to be a threat or potential threat then
animals initiate stress responses, with activation of the hypothalamo–pituitary–adrenal axis …

The steroid cortisol is an extensively studied and important variable in developmental and
other behavioral studies. Cortisol has been assayed by various methods using a range of …

Ecological and medical researchers are investing great effort to determine the role of M
aternally‐D erived S tress (MDS) as an inducer of phenotypic plasticity in offspring. Many …

Physiological Adaptations for Breeding in Birds is the most current and comprehensive
account of research on avian reproduction. It develops two unique themes: the consideration …

Summary 1 Stress has pervasive consequences for the well‐being of animals. Currently,
understanding how individuals cope with stressors is typically accomplished via short‐term …

The assumption that the acute response to stress is adaptive is pervasive in the literature,
but there is little direct evidence regarding potential positive fitness consequences of an …

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