Nom du corpus

Corpus Systématique Animale

Titre du document

Temperature regulation and water requirements of the monk parakeet, Myiopsitta monachus

Lien vers le document
Éditeur
Springer (journals)
Langue(s) du document
Anglais
Type de document
Research-article
Nom du fichier dans la ressource
Oiseaux_v2b_02752
Auteur(s)
  • Wesley W. Weathers 1,2
  • Donald F. Caccamise 1,2
Affiliation(s)
  • 1) Department of Environmental Physiology, Rutgers-The State University, 08903, New Brunswick, N.J., USA
  • 2) Department of Entomology and Economic Zoology, Rutgers-The State University, 08903, New Brunswick, N.J., USA
Résumé

Monk parakeets have been introduced into North America within the past 15 years and are apparently becoming established in several geographical regions. Several physiological responses of monk parakeets related to climatic tolerance were examined, and it is concluded that the species is equipped physiologically to occupy most climatic situations with the exception of arctic and subarctic regions and waterless deserts. The standard metabolic rate, determined during the winter, was 44% lower at night (1.17 ml O2 g-1 hr-1) than during the day (1.68 ml O2 g-1 hr-1). Monk parakeets are relatively tolerant of low air temperature (Ta) and showed no signs of hypothermia at Ta's as low as-8°C. The birds were unable to maintain body weight on a diet of air-dried seeds without supplemental water. Monk parakeets possess excellent capabilities for increasing evaporative water loss at high Ta's, being able to dissipate up to 153% of their metabolic heat production at 44°C. This species responds to high Ta's with open-mouthed panting. During panting the thick, moist tongue is raised and lowered in synchrony with the thorax. Thus, monk parakeets may employ lingual flutter to augment evaporative cooling; a mechanism analogous to the gular flutter of other nonpasserine birds.

Catégories Science-Metrix
  • 1 - natural sciences
  • 2 - biology
  • 3 - ecology
Catégories INIST
  • 1 - sciences appliquees, technologies et medecines
  • 2 - sciences biologiques et medicales
  • 3 - sciences biologiques fondamentales et appliquees. psychologie
  • 4 - ecologie animale, vegetale et microbienne
Catégories Scopus
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Ecology, Evolution, Behavior and Systematics
Catégories WoS
  • 1 - science ; 2 - ecology
Identifiant ISTEX
1C83A190430AF65710D43C771E31C7F7A1FC373E
Revue

Oecologia

Année de publication
1975
Présence de XML structuré
Non
Version PDF
1.3
Score qualité du texte
9.388
Sous-corpus
  • Oiseaux
Type de publication
Journal
ark:/67375/1BB-06FN1NFD-C
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