Experimental evidence that hyperthermia limits offspring provisioning in a temperate-breeding bird.
body temperature
hyperthermia
parental care
thermal constraint
Journal
Royal Society open science
ISSN: 2054-5703
Titre abrégé: R Soc Open Sci
Pays: England
ID NLM: 101647528
Informations de publication
Date de publication:
Oct 2020
Oct 2020
Historique:
received:
07
09
2020
accepted:
16
09
2020
entrez:
18
11
2020
pubmed:
19
11
2020
medline:
19
11
2020
Statut:
epublish
Résumé
In many vertebrates, parental care can require long bouts of daily exercise that can span several weeks. Exercise, especially in the heat, raises body temperature, and can lead to hyperthermia. Typical strategies for regulating body temperature during endurance exercise include modifying performance to avoid hyperthermia (anticipatory regulation) and allowing body temperature to rise above normothermic levels for brief periods of time (facultative hyperthermia). Facultative hyperthermia is commonly employed by desert birds to economize on water, but this strategy may also be important for chick-rearing birds to avoid reducing offspring provisioning when thermoregulatory demands are high. In this study, we tested how chick-rearing birds balance their own body temperature against the need to provision dependent offspring. We experimentally increased the heat dissipation capacity of breeding female tree swallows (
Identifiants
pubmed: 33204485
doi: 10.1098/rsos.201589
pii: rsos201589
pmc: PMC7657879
doi:
Banques de données
figshare
['10.6084/m9.figshare.c.5136162']
Dryad
['10.5061/dryad.r2280gbb4']
Types de publication
Journal Article
Langues
eng
Pagination
201589Informations de copyright
© 2020 The Authors.
Déclaration de conflit d'intérêts
The authors declare no competing or financial interests.
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