Ecological correlates of cortisol levels in two bat species with contrasting feeding habits

Highlights ► We investigate how feeding strategy and food availability affect cortisol secretion. ► Species with contrasting feeding habits show different cortisol patterns. ► Cortisol levels of vampires seem hardly be affected by food availability. ► Fruit abundance relates to cortisol levels in fr...

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Veröffentlicht in:	General and comparative endocrinology 2012-05, Vol.177 (1), p.104-112
Hauptverfasser:	Lewanzik, Daniel, Kelm, Detlev H, Greiner, Sabine, Dehnhard, Martin, Voigt, Christian C
Format:	Artikel
Sprache:	eng
Schlagworte:	Abundance Adrenocorticotropic hormone Animals Chiroptera - physiology corticotropin Cortisol Desmodus Desmodus rotundus Dry forests dry season Ecology Ecosystem Endocrinology & Metabolism Feeding Feeding Behavior - physiology Feeding habit Female Food availability foraging frugivores Fruits Glucocorticoid Glucocorticoids Habitat habitats Hydrocortisone Hydrocortisone - blood Male mammals Phyllostomid bat Rain forests seasonal variation Seasonal variations Seasonality Secretion Starvation Survival wet season
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Beschreibung
Zusammenfassung:	Highlights ► We investigate how feeding strategy and food availability affect cortisol secretion. ► Species with contrasting feeding habits show different cortisol patterns. ► Cortisol levels of vampires seem hardly be affected by food availability. ► Fruit abundance relates to cortisol levels in frugivores. ► Specialist vampire bats reach cortisol levels that are among the highest in mammals.
ISSN:	0016-6480 1095-6840
DOI:	10.1016/j.ygcen.2012.02.021