Stress in a conservation context: a discussion of glucocorticoid actions and how levels change with conservation-relevant variables

DS Busch, LS Hayward - Biological Conservation, 2009‏ - Elsevier
Over the past few decades, there has been a steep increase in the number of conservation-
related field studies that measure glucocorticoid hormones (corticosterone or cortisol) as a …

The role of glucocorticoids in the vertebrate response to weather

R de Bruijn, LM Romero - General and Comparative Endocrinology, 2018‏ - Elsevier
Abstract Changes in the environment related to inclement weather can threaten survival and
reproductive success both through direct adverse exposure and indirectly by decreasing …

[PDF][PDF] Glucocorticoid-mediated phenotypes in vertebrates: multilevel variation and evolution

M Hau, S Casagrande, JQ Ouyang… - Advances in the Study of …, 2016‏ - baughlab.org
Fluctuations in abiotic and biotic conditions exist in almost all habitats (Dunlap, Loros, &
DeCoursey, 2004; Stevenson et al., 2015). Some fluctuations like the alternation between …

The relationship between fitness and baseline glucocorticoids in a passerine bird

F Bonier, IT Moore, PR Martin, RJ Robertson - General and comparative …, 2009‏ - Elsevier
Glucocorticoid (cort) hormones are increasingly applied in studies of free-ranging animals,
with elevated baseline cort levels generally assumed to indicate individuals or populations …

How foraging works: uncertainty magnifies food-seeking motivation

P Anselme, O Güntürkün - Behavioral and Brain Sciences, 2019‏ - cambridge.org
Food uncertainty has the effect of invigorating food-related responses. Psychologists have
noted that mammals and birds respond more to a conditioned stimulus that unreliably …

Understanding context dependence in glucocorticoid–fitness relationships: the role of the nature of the challenge, the intensity and frequency of stressors, and life …

LA Schoenle, C Zimmer… - … and comparative biology, 2018‏ - academic.oup.com
It has been well-established that there is variation in the strength and direction of the
relationship between circulating glucocorticoids (GCs) and fitness. When studies …

Unpredictable food availability induces metabolic and hormonal changes independent of food intake in a sedentary songbird

HB Fokidis, MB Des Roziers, R Sparr… - Journal of …, 2012‏ - journals.biologists.com
Environments often vary with regard to their temporal resource availability, but little is
understood concerning how resource predictability impacts animals. The adaptive …

Food, stress, and reproduction: short-term fasting alters endocrine physiology and reproductive behavior in the zebra finch

SE Lynn, TB Stamplis, WT Barrington, N Weida… - Hormones and …, 2010‏ - Elsevier
Stress is thought to be a potent suppressor of reproduction. However, the vast majority of
studies focus on the relationship between chronic stress and reproductive suppression …

Hungry or angry? Experimental evidence for the effects of food availability on two measures of stress in develo** wild raptor nestlings

B Catitti, MU Grüebler, UG Kormann… - Journal of …, 2022‏ - journals.biologists.com
Food shortage challenges the development of nestlings; yet, to cope with this stressor,
nestlings can induce stress responses to adjust metabolism or behaviour. Food shortage …

[HTML][HTML] Eye region surface temperature dynamics during acute stress relate to baseline glucocorticoids independently of environmental conditions

P Jerem, S Jenni-Eiermann, D McKeegan… - Physiology & …, 2019‏ - Elsevier
Reactions to acute stressors are critical for survival. Yet, the challenges of assessing
underlying physiological processes in the field limit our understanding of how variation in …