List of works - John C. Wingfield

A blurring of life-history lines: Immune function, molt and reproduction in a highly stable environment

scientific article

A mechanistic link between chick diet and decline in seabirds?

scientific article published in February 2006

A phylogenetically controlled test of hypotheses for behavioral insensitivity to testosterone in birds

scientific article published on 15 December 2004

A supergene determines highly divergent male reproductive morphs in the ruff

scientific article

Actions of glucocorticoids at a seasonal baseline as compared to stress-related levels in the regulation of periodic life processes

scientific article

Acute restraint stress does not alter corticosteroid receptors or 11β-hydroxysteroid dehydrogenase gene expression at hypothalamic-pituitary-adrenal axis regulatory sites in captive male white-crowned sparrows (Zonotrichia leucophrys gambelii)

scientific article published on 24 December 2020

Age and food deprivation affects expression of the glucocorticosteroid stress response in Magellanic penguin (Spheniscus magellanicus) chicks

scientific article published in January 2005

Aggressive interactions rapidly increase androgen synthesis in the brain during the non-breeding season.

scientific article

Androgen regulation of hypothalamic neurons containing gonadotropin-releasing hormone in a cichlid fish: integration with social cues

scientific article

Androgen-metabolizing enzymes show region-specific changes across the breeding season in the brain of a wild songbird

scientific article

Androgens and estrogens induce seasonal‐like growth of song nuclei in the adult songbird brain ⬇️

scientific article published on November 1, 2003

Androgens and the immunocompetence handicap hypothesis: unraveling direct and indirect pathways of immunosuppression in song sparrows

scientific article

Annual Hematocrit Profiles in Two Subspecies of White-Crowned Sparrow: A Migrant and a Resident Comparison

scientific article published on January 2016

Annual regulation of adrenocortical function in migrant and resident subspecies of white-crowned sparrow

scientific article published on 07 November 2020

Associations among MHC genes, latitude, and avian malaria infections in the rufous‐collared sparrow (<i>Zonotrichia capensis</i>)

Austral birds offer insightful complementary models in ecology and evolution

scientific article published in 2022

Avoiding the 'costs' of testosterone: ecological bases of hormone-behavior interactions

scientific article

Baseline and stress-induced levels of corticosterone during different life cycle substages in a shorebird on the high arctic breeding grounds

scientific article published in March 2002

Baseline and stress-induced plasma corticosterone during long-distance migration in the bar-tailed godwit, Limosa lapponica

scientific article published in January 2002

Baseline corticosterone and stress response in the Thorn-tailed Rayadito (Aphrastura spinicauda) along a latitudinal gradient

scientific article

Biological Earth observation with animal sensors

scientific article published in 2022

Biological clocks and regulation of seasonal reproduction and migration in birds

scientific article

Brain aromatase, 5 alpha-reductase, and 5 beta-reductase change seasonally in wild male song sparrows: relationship to aggressive and sexual behavior

scientific article published in September 2003

Brain transcriptome sequencing and assembly of three songbird model systems for the study of social behavior

scientific article (publication date: 2014)

Brain-Derived Steroids, Behavior and Endocrine Conflicts Across Life History Stages in Birds: A Perspective.

scientific article

Breaking down seasonality: Androgen modulation and stress response in a highly stable environment ⬇️

scientific article published on May 23, 2013

Breeding on the extreme edge: modulation of the adrenocortical response to acute stress in two High Arctic passerines.

scientific article

Breeding on the leading edge of a northward range expansion: differences in morphology and the stress response in the arctic Gambel's white-crowned sparrow

scientific article

Changes in plasma concentrations of progesterone, dehydroepiandrosterone and corticosterone in response to acute stress of capture, handling and restraint in two subspecies of white-crowned sparrows

scientific article

Combined effects of DHEA and fadrozole on aggression and neural VIP immunoreactivity in the non-breeding male song sparrow

scientific article published on 24 October 2007

Competing Females and Caring Males. Polyandry and Sex-Role Reversal in African Black Coucals, Centropus grillii

article

Concepts derived from the Challenge Hypothesis

scientific article published on 01 August 2019

Contrasting seasonal and aseasonal environments across stages of the annual cycle in the rufous-collared sparrow, Zonotrichia capensis: Differences in endocrine function, proteome and body condition

scientific article published on 05 June 2018

Corticosterone inhibits feather growth: potential mechanism explaining seasonal down regulation of corticosterone during molt

scientific article published in September 2005

Corticosterone is not correlated with nest departure in snowy owl chicks (Nyctea scandiaca)

scientific article published on 18 April 2006

Corticosterone treatment has no effect on reproductive hormones or aggressive behavior in free-living male tree sparrows, Spizella arborea

scientific article published in February 2000

Daily, circadian and seasonal changes of rhodopsin-like encephalic photoreceptor and its involvement in mediating photoperiodic responses of Gambel's white-crowned Sparrow, Zonotrichia leucophrys gambelii

scientific article published on 3 March 2018

Defining the Degree of Seasonality and its Significance for Future Research

scientific article

Dehydroepiandrosterone (DHEA) increases territorial song and the size of an associated brain region in a male songbird

scientific article published in March 2002

Dehydroepiandrosterone in songbird plasma: seasonal regulation and relationship to territorial aggression

scientific article published in August 2001

Diel rhythms of basal and stress-induced corticosterone in a wild, seasonal vertebrate, Gambel's white-crowned sparrow

scientific article published on 01 August 1999

Differential mechanisms for regulation of the stress response across latitudinal gradients

scientific article

Dissociation of testosterone and aggressive behavior during the breeding season in male chestnut-collared longspurs, Calcarius ornatus

scientific article

Distinguishing seasonal androgen responses from male-male androgen responsiveness-revisiting the Challenge Hypothesis

scientific article published on 27 January 2007

Does prolactin mediate parental and life-history decisions in response to environmental conditions in birds? A review

scientific article published on 23 July 2015

Does short-term fasting lead to stressed-out parents? A study of incubation commitment and the hormonal stress responses and recoveries in snow petrels

scientific article published on 29 November 2014

Eavesdropping on the Arctic: Automated bioacoustics reveal dynamics in songbird breeding phenology.

scientific article

Ecological Factors Underlying the Adrenocortical Response to Capture Stress in Arctic-Breeding Shorebirds ⬇️

scientific article published on October 1, 2001

Ecological factors affecting the adrenocortical response to stress in chestnut-collared and McCown's longspurs (Calcarius ornatus, Calcarius mccownii).

scientific article published in July 2003

Effect of estradiol implants on reproductive behavior of female Lapland longspurs (Calcarius lapponicus).

scientific article

Effect of testosterone blockers on male aggression, song and parental care in an arctic passerine, the Lapland longspur (Calcarius lapponicus)

scientific article published on 23 February 2019

Effects of El Niño and La Niña Southern Oscillation events on the adrenocortical responses to stress in birds of the Galapagos Islands

scientific article

Effects of N-methyl-D-aspartate on luteinizing hormone release and Fos-like immunoreactivity in the male White-crowned sparrow (Zonotrichia leucophrys gambelii).

scientific article published on December 1999

Effects of a social cue on reproductive development and pre-alternate molt in seasonally breeding migrant and resident female songbirds (Zonotrichia leucophrys).

scientific article published on August 2017

Effects of ambient temperature on photo-induced prolactin secretion in three subspecies of white-crowned sparrow, Zonotrichia leucophrys.

scientific article published in March 1999

Effects of day length and temperature on gonadal development, body mass, and fat depots in white-crowned sparrows, Zonotrichia leucophrys pugetensis

scientific article published in July 1997

Effects of repeated, short-term, corticosterone administration on the hypothalamo-pituitary-adrenal axis of the white-crowned sparrow (Zonotrichia leucophrys gambelii).

scientific article published on 11 June 2008

Effects of short-term fasting on stress physiology, body condition, and locomotor activity in wintering male white-crowned sparrows

scientific article published in May 2017

Effects of thyroid hormone manipulation on pre-nuptial molt, luteinizing hormone and testicular growth in male white-crowned sparrows (Zonotrichia leuchophrys gambelii).

scientific article

Effects of traffic noise exposure on corticosterone, glutathione and tonic immobility in chicks of a precocial bird

scientific article published on 28 August 2019

Effects of vasoactive intestinal peptide on plasma prolactin in passerines

scientific article published on 01 March 1999

Effects of weather on corticosterone responses in wild free-living passerine birds

scientific article published on April 2000

Endocrine disruption in the context of life cycles: perception and transduction of environmental cues

scientific article

Endocrine responses to unpredictable environmental events: stress or anti-stress hormones? ⬇️

scientific article published on July 1, 2002

Endocrine responsiveness to social challenges in northern and southern hemisphere populations of Zonotrichia

Epaulet size and current condition in red-winged blackbirds: examining a semistatic signal, testosterone, immune function, and parasites

scientific article published on 10 December 2014

Estradiol differentially affects auditory recognition and learning according to photoperiodic state in the adult male songbird, European starling (Sturnus vulgaris).

scientific article

Evidence for a navigational map stretching across the continental U.S. in a migratory songbird

scholarly article

Evidence for a novel gonadotropin-releasing hormone in hypothalamic and forebrain areas in songbirds

scientific article

Experimental chronic noise is related to elevated fecal corticosteroid metabolites in lekking male greater Sage-Grouse (Centrocercus urophasianus).

scientific article

Extreme spring conditions in the Arctic delay spring phenology of long-distance migratory songbirds

scientific article

Field Endocrinology and Conservation Biology ⬇️

scientific article published on January 1, 2005

Gender and Seasonal Differences in the Adrenocortical Response to ACTH Challenge in an Arctic Passerine, Zonotrichia leucophrys gambelii

article

Gene expression of sex steroid metabolizing enzymes and receptors in the skeletal muscle of migrant and resident subspecies of white-crowned sparrow (Zonotrichia leucophrys)

scientific article published on 22 June 2022

Gonadotropin-inhibitory hormone and its receptor in the avian reproductive system

scientific article

Greater shrub dominance alters breeding habitat and food resources for migratory songbirds in Alaskan arctic tundra

scientific article

Habituation of adult Magellanic penguins to human visitation as expressed through behavior and corticosterone secretion

scientific article published in February 2006

Hormonal correlates of individual quality in a long-lived bird: a test of the 'corticosterone-fitness hypothesis'.

scientific article

Hormonal, behavioral, and thermoregulatory responses to bacterial lipopolysaccharide in captive and free-living white-crowned sparrows (Zonotrichia leucophrys gambelii).

scientific article

Hormones and Territorial Behavior during Breeding in Snow Buntings (Plectrophenax nivalis): An Arctic-Breeding Songbird ⬇️

scientific article published on February 1, 1998

How birds cope physiologically and behaviourally with extreme climatic events

scientific article (publication date: 19 June 2017)

Hypertrophy of gonadotropin releasing hormone-containing neurons after castration in the teleost, Haplochromis burtoni

scientific article published on October 1, 1992

Hypothalamic GnRH-I and its precursor during photorefractoriness onset in free-living male Dark-eyed Juncos (Junco hyemalis) of different year classes

scientific article published on 8 November 2005

Immune function in an avian brood parasite and its nonparasitic relative

scientific article

Immunocytochemical study of rhodopsin-containing putative encephalic photoreceptors in house sparrow, Passer domesticus ⬇️

scientific article published on November 29, 2010

Impact of experience-dependent and -independent factors on gene expression in songbird brain

scientific article

Impacts of frequent, acute pulses of corticosterone on condition and behavior of Gambel's white-crowned sparrow (Zonotrichia leucophrys gambelii).

scientific article published on 5 August 2008

Importance of the glucocorticoid stress response in a changing world: Theory, hypotheses and perspectives ⬇️

scientific article published on June 13, 2013

Increased sensitivity of the serotonergic system during the breeding season in free-living American tree sparrows

scientific article published in February 2005

Inter-laboratory variation in corticosterone measurement: Implications for comparative ecological and evolutionary studies

scientific article published in 2017

Interactions of gonadotropin-releasing hormone (GnRH) and gonadotropin-inhibitory hormone (GnIH) in birds and mammals

scientific article published on September 2006

Is avian humoral immunocompetence suppressed by testosterone?

scientific article published in 1999

Latitudinal variation in plasma testosterone levels in birds of the genus Zonotrichia.

scientific article

Latitudinal variation of immune defense and sickness behavior in the white-crowned sparrow (Zonotrichia leucophrys).

scientific article

Maternal androgens in avian brood parasites and their hosts: Responses to parasitism and competition?

scientific article published on 13 October 2016

Melatonin induces the expression of gonadotropin-inhibitory hormone in the avian brain.

scientific article

Metabolic profile of long-distance migratory flight and stopover in a shorebird

scientific article published in 2005

Mode of action and functional significance of avian gonadotropin-inhibitory hormone (GnIH): a review.

scientific article published on September 2006

Modulation of the hypothalamic-pituitary-adrenal axis of an Arctic-breeding polygynandrous songbird, the Smith's longspur, Calcarius pictus

scientific article published on 01 September 2003

Modulation of the prolactin and the corticosterone stress responses: do they tell the same story in a long-lived bird, the Cape petrel?

scientific article

NDVI as a predictor of canopy arthropod biomass in the Alaskan arctic tundra

scientific article

Neural, not gonadal, origin of brain sex differences in a gynandromorphic finch

scientific article

Neurally active stress peptide inhibits territorial defense in wild birds

scientific article published on 01 December 1998

No latitudinal differences in adrenocortical stress response in wintering black-capped chickadees (Poecile atricapilla).

scientific article

Noninvasive Corticosterone Treatment Rapidly Increases Activity in Gambel's White-Crowned Sparrows (Zonotrichia leucophrys gambelii) ⬇️

scientific article published on 01 September 1998

On the relationship between baseline corticosterone levels and annual survival of the thorn-tailed rayadito

scientific article published on 02 October 2020

Ontogeny and individual heterogeneity of the corticosterone stress response in a wild altricial seabird, the snow petrel (Pagodroma nivea)

scientific article published in 2022

Photoperiod-independent changes in immunoreactive brain gonadotropin-releasing hormone (GnRH) in a free-living, tropical bird

scientific article

Plasma corticosterone increases during migratory restlessness in the captive white-crowned sparrow Zonotrichia leucophrys gambelli

scientific article

Plasticity of the avian song control system in response to localized environmental cues in an equatorial songbird.

scientific article

Pre-migratory life history stages of juvenile Arctic birds: costs, constraints, and trade-offs

scientific article published in November 2007

Putting the brakes on reproduction: Implications for conservation, global climate change and biomedicine

scientific article

RNA interference of gonadotropin-inhibitory hormone gene induces aggressive and sexual behaviors in birds

scientific article published on 06 October 2012

RNA interference of gonadotropin-inhibitory hormone gene induces arousal in songbirds

scientific article

Rapid inhibition of female sexual behavior by gonadotropin-inhibitory hormone (GnIH).

scientific article published on 7 February 2006

Regulation of vernal migration in Gambel's white-crowned sparrows: Role of thyroxine and triiodothyronine

scientific article

Reprint of "Concepts derived from the Challenge Hypothesis"

scientific article published on 13 June 2020

Reproductive development according to elevation in a seasonally breeding male songbird

article

Role of the low-affinity glucocorticoid receptor in the regulation of behavior and energy metabolism in the migratory red knot Calidris canutus islandica

scientific article published in July 2004

Roles of photoperiod and testosterone in seasonal plasticity of the avian song control system

scientific article published in April 1997

Seasonal and acute changes in adrenocortical responsiveness in an arctic-breeding bird.

scientific article published on December 1995

Seasonal changes in androgen receptor immunoreactivity in the song nucleus HVc of a wild bird

scientific article

Seasonal changes in aromatase and androgen receptor, but not estrogen receptor mRNA expression in the brain of the free-living male song sparrow, Melospiza melodia morphna

scientific article published on September 2010

Seasonal changes in song nuclei and song behavior in Gambel's white-crowned sparrows

scientific article published on 01 September 1995

Seasonal changes in the size of the avian song control nucleus HVC defined by multiple histological markers

scientific article published in May 1997

Seasonal differences of gene expression profiles in song sparrow (Melospiza melodia) hypothalamus in relation to territorial aggression

scientific article

Seasonal gonadal recrudescence in song sparrows: response to temperature cues

scientific article published on 8 April 2005

Seasonal growth of song control nuclei precedes seasonal reproductive development in wild adult song sparrows

scientific article

Seasonal modulation of sickness behavior in free-living northwestern song sparrows (Melospiza melodia morphna)

scientific article published on 01 August 2006

Seasonal plasticity of the song control system in wild Nuttall's white-crowned sparrows ⬇️

scientific article published on January 1, 1998

Seasonal variations of basal cortisol and high stress response to captivity in Octodon degus, a mammalian model species

scientific article published on 22 December 2013

Sex-specific variation in brown-headed cowbird immunity following acute stress: a mechanistic approach ⬇️

scientific article published on March 1, 2012

Short-term fasting affects locomotor activity, corticosterone, and corticosterone binding globulin in a migratory songbird

scientific article

Spring and autumn territoriality in song sparrows: same behavior, different mechanisms?

scientific article published in February 2002

Steroid hormone interrelationships with territorial aggression in an Arctic-breeding songbird, Gambel's white-crowned sparrow, Zonotrichia leucophrys gambelii

scientific article published in September 2002

Steroids in allantoic waste: an integrated measure of steroid exposure in ovo

scientific article published on 01 June 2005

Stress response and the value of reproduction: are birds prudent parents?

scientific article

Stress responses in tropical sparrows: comparing tropical and temperate Zonotrichia

scientific article published on 19 June 2006

Territoriality and testosterone in an equatorial population of rufous-collared sparrows, Zonotrichia capensis

Testosterone and year-round territorial aggression in a tropical bird.

scientific article published on January 2000

Testosterone in tropical birds: effects of environmental and social factors

scientific article published on 26 July 2004

Testosterone treatment diminishes sickness behavior in male songbirds

scientific article published on 15 April 2009

The Effects of Acute Restraint Stress on Plasma Levels of Prolactin and Corticosterone across Life-History Stages in a Short-Lived Bird: Gambel's White-Crowned Sparrow (Zonotrichia leucophrys gambelii).

scientific article

The adrenocortical response of tufted puffin chicks to nutritional deficits

scientific article published in May 2005

The effect of extreme spring weather on body condition and stress physiology in Lapland longspurs and white-crowned sparrows breeding in the Arctic

scientific article

The effect of photoperiod on adrenocortical stress response in mountain chickadees (Poecile gambeli).

scientific article published in April 2002

The effects of combined aromatase inhibitor and anti-androgen on male territorial aggression in a tropical population of rufous-collared sparrows, Zonotrichia capensis

scientific article

The general and comparative biology of gonadotropin-inhibitory hormone (GnIH).

scientific article published on 4 December 2006

The impact of exposure to a novel female on symptoms of infection and on the reproductive axis

scientific article published on 5 September 2013

The low-affinity glucocorticoid receptor regulates feeding and lipid breakdown in the migratory Gambel's white-crowned sparrow Zonotrichia leucophrys gambelii

scientific article published in January 2004

The presence of water influences reproductive function in the song sparrow (Melospiza melodia morphna) ⬇️

scientific article published on July 15, 2012

The relationship of telomere length to baseline corticosterone levels in nestlings of an altricial passerine bird in natural populations

scientific article

The role of androgen receptors in regulating territorial aggression in male song sparrows

scientific article published on 30 September 2009

The stress response is attenuated during inclement weather in parental, but not in pre-parental, Lapland longspurs (Calcarius lapponicus) breeding in the Low Arctic

scientific article

Tissue-specific expression of 11β-HSD and its effects on plasma corticosterone during the stress response

scientific article published on 02 January 2020

Toward an integrative understanding of social behavior: new models and new opportunities

scientific article (publication date: 2010)

Traffic noise exposure alters nestling physiology and telomere attrition through direct, but not maternal, effects in a free-living bird

scientific article published on 20 February 2019

Variation in circulating corticosterone levels is associated with altitudinal range expansion in a passerine bird.

scientific article published in May 2011

Visual and nutritional food cues fine-tune timing of reproduction in a neotropical rainforest bird

scientific article published on April 2000

Weathering the storm: Do arctic blizzards cause repeatable changes in stress physiology and body condition in breeding songbirds?

scholarly article by Jesse S. Krause et al published 1 October 2018 in General and Comparative Endocrinology

When do older birds better resist stress? A study of the corticosterone stress response in snow petrels

scientific article published on 15 January 2020

Whither the challenge hypothesis?

scientific article published on 31 October 2019

Year-class differences in the reproductive system, plasma prolactin and corticosterone concentrations, and onset of prebasic molt in male dark-eyed juncos (Junco hyemalis) during the breeding period

scientific article published on 01 June 2000

List of works by John C. Wingfield

A blurring of life-history lines: Immune function, molt and reproduction in a highly stable environment

A mechanistic link between chick diet and decline in seabirds?

A phylogenetically controlled test of hypotheses for behavioral insensitivity to testosterone in birds

A supergene determines highly divergent male reproductive morphs in the ruff

Actions of glucocorticoids at a seasonal baseline as compared to stress-related levels in the regulation of periodic life processes

Acute restraint stress does not alter corticosteroid receptors or 11β-hydroxysteroid dehydrogenase gene expression at hypothalamic-pituitary-adrenal axis regulatory sites in captive male white-crowned sparrows (Zonotrichia leucophrys gambelii)

Age and food deprivation affects expression of the glucocorticosteroid stress response in Magellanic penguin (Spheniscus magellanicus) chicks

Aggressive interactions rapidly increase androgen synthesis in the brain during the non-breeding season.

Androgen regulation of hypothalamic neurons containing gonadotropin-releasing hormone in a cichlid fish: integration with social cues

Androgen-metabolizing enzymes show region-specific changes across the breeding season in the brain of a wild songbird

Androgens and estrogens induce seasonal‐like growth of song nuclei in the adult songbird brain ⬇️

Androgens and the immunocompetence handicap hypothesis: unraveling direct and indirect pathways of immunosuppression in song sparrows

Annual Hematocrit Profiles in Two Subspecies of White-Crowned Sparrow: A Migrant and a Resident Comparison

Annual regulation of adrenocortical function in migrant and resident subspecies of white-crowned sparrow

Associations among MHC genes, latitude, and avian malaria infections in the rufous‐collared sparrow (<i>Zonotrichia capensis</i>)

Austral birds offer insightful complementary models in ecology and evolution

Avoiding the 'costs' of testosterone: ecological bases of hormone-behavior interactions

Baseline and stress-induced levels of corticosterone during different life cycle substages in a shorebird on the high arctic breeding grounds

Baseline and stress-induced plasma corticosterone during long-distance migration in the bar-tailed godwit, Limosa lapponica

Baseline corticosterone and stress response in the Thorn-tailed Rayadito (Aphrastura spinicauda) along a latitudinal gradient

Biological Earth observation with animal sensors

Biological clocks and regulation of seasonal reproduction and migration in birds

Brain aromatase, 5 alpha-reductase, and 5 beta-reductase change seasonally in wild male song sparrows: relationship to aggressive and sexual behavior

Brain transcriptome sequencing and assembly of three songbird model systems for the study of social behavior

Brain-Derived Steroids, Behavior and Endocrine Conflicts Across Life History Stages in Birds: A Perspective.

Breaking down seasonality: Androgen modulation and stress response in a highly stable environment ⬇️

Breeding on the extreme edge: modulation of the adrenocortical response to acute stress in two High Arctic passerines.

Breeding on the leading edge of a northward range expansion: differences in morphology and the stress response in the arctic Gambel's white-crowned sparrow

Changes in plasma concentrations of progesterone, dehydroepiandrosterone and corticosterone in response to acute stress of capture, handling and restraint in two subspecies of white-crowned sparrows

Combined effects of DHEA and fadrozole on aggression and neural VIP immunoreactivity in the non-breeding male song sparrow

Competing Females and Caring Males. Polyandry and Sex-Role Reversal in African Black Coucals, Centropus grillii

Concepts derived from the Challenge Hypothesis

Contrasting seasonal and aseasonal environments across stages of the annual cycle in the rufous-collared sparrow, Zonotrichia capensis: Differences in endocrine function, proteome and body condition

Corticosterone inhibits feather growth: potential mechanism explaining seasonal down regulation of corticosterone during molt

Corticosterone is not correlated with nest departure in snowy owl chicks (Nyctea scandiaca)

Corticosterone treatment has no effect on reproductive hormones or aggressive behavior in free-living male tree sparrows, Spizella arborea

Daily, circadian and seasonal changes of rhodopsin-like encephalic photoreceptor and its involvement in mediating photoperiodic responses of Gambel's white-crowned Sparrow, Zonotrichia leucophrys gambelii

Defining the Degree of Seasonality and its Significance for Future Research

Dehydroepiandrosterone (DHEA) increases territorial song and the size of an associated brain region in a male songbird

Dehydroepiandrosterone in songbird plasma: seasonal regulation and relationship to territorial aggression

Diel rhythms of basal and stress-induced corticosterone in a wild, seasonal vertebrate, Gambel's white-crowned sparrow

Differential mechanisms for regulation of the stress response across latitudinal gradients

Dissociation of testosterone and aggressive behavior during the breeding season in male chestnut-collared longspurs, Calcarius ornatus

Distinguishing seasonal androgen responses from male-male androgen responsiveness-revisiting the Challenge Hypothesis

Does prolactin mediate parental and life-history decisions in response to environmental conditions in birds? A review

Does short-term fasting lead to stressed-out parents? A study of incubation commitment and the hormonal stress responses and recoveries in snow petrels

Eavesdropping on the Arctic: Automated bioacoustics reveal dynamics in songbird breeding phenology.

Ecological Factors Underlying the Adrenocortical Response to Capture Stress in Arctic-Breeding Shorebirds ⬇️

Ecological factors affecting the adrenocortical response to stress in chestnut-collared and McCown's longspurs (Calcarius ornatus, Calcarius mccownii).

Effect of estradiol implants on reproductive behavior of female Lapland longspurs (Calcarius lapponicus).

Effect of testosterone blockers on male aggression, song and parental care in an arctic passerine, the Lapland longspur (Calcarius lapponicus)

Effects of El Niño and La Niña Southern Oscillation events on the adrenocortical responses to stress in birds of the Galapagos Islands

Effects of N-methyl-D-aspartate on luteinizing hormone release and Fos-like immunoreactivity in the male White-crowned sparrow (Zonotrichia leucophrys gambelii).

Effects of a social cue on reproductive development and pre-alternate molt in seasonally breeding migrant and resident female songbirds (Zonotrichia leucophrys).

Effects of ambient temperature on photo-induced prolactin secretion in three subspecies of white-crowned sparrow, Zonotrichia leucophrys.

Effects of day length and temperature on gonadal development, body mass, and fat depots in white-crowned sparrows, Zonotrichia leucophrys pugetensis

Effects of repeated, short-term, corticosterone administration on the hypothalamo-pituitary-adrenal axis of the white-crowned sparrow (Zonotrichia leucophrys gambelii).

Effects of short-term fasting on stress physiology, body condition, and locomotor activity in wintering male white-crowned sparrows

Effects of thyroid hormone manipulation on pre-nuptial molt, luteinizing hormone and testicular growth in male white-crowned sparrows (Zonotrichia leuchophrys gambelii).

Effects of traffic noise exposure on corticosterone, glutathione and tonic immobility in chicks of a precocial bird

Effects of vasoactive intestinal peptide on plasma prolactin in passerines

Effects of weather on corticosterone responses in wild free-living passerine birds

Endocrine disruption in the context of life cycles: perception and transduction of environmental cues

Endocrine responses to unpredictable environmental events: stress or anti-stress hormones? ⬇️

Endocrine responsiveness to social challenges in northern and southern hemisphere populations of Zonotrichia

Epaulet size and current condition in red-winged blackbirds: examining a semistatic signal, testosterone, immune function, and parasites

Estradiol differentially affects auditory recognition and learning according to photoperiodic state in the adult male songbird, European starling (Sturnus vulgaris).

Evidence for a navigational map stretching across the continental U.S. in a migratory songbird

Evidence for a novel gonadotropin-releasing hormone in hypothalamic and forebrain areas in songbirds

Experimental chronic noise is related to elevated fecal corticosteroid metabolites in lekking male greater Sage-Grouse (Centrocercus urophasianus).

Extreme spring conditions in the Arctic delay spring phenology of long-distance migratory songbirds

Field Endocrinology and Conservation Biology ⬇️

Gender and Seasonal Differences in the Adrenocortical Response to ACTH Challenge in an Arctic Passerine, Zonotrichia leucophrys gambelii

Gene expression of sex steroid metabolizing enzymes and receptors in the skeletal muscle of migrant and resident subspecies of white-crowned sparrow (Zonotrichia leucophrys)

Gonadotropin-inhibitory hormone and its receptor in the avian reproductive system

Greater shrub dominance alters breeding habitat and food resources for migratory songbirds in Alaskan arctic tundra

Habituation of adult Magellanic penguins to human visitation as expressed through behavior and corticosterone secretion

Hormonal correlates of individual quality in a long-lived bird: a test of the 'corticosterone-fitness hypothesis'.

Hormonal, behavioral, and thermoregulatory responses to bacterial lipopolysaccharide in captive and free-living white-crowned sparrows (Zonotrichia leucophrys gambelii).