Nom du corpus

Corpus Systématique Animale

Titre du document

Diets of fruit-eating birds: what are the causes of interspecific differences?

Lien vers le document
Éditeur
Springer (journals)
Langue(s) du document
Anglais
Type de document
Research-article
Mots-clés d'auteur
  • Bird
  • Digestive physiology
  • Fleshy fruit
  • Frugivory
  • Lipid
Nom du fichier dans la ressource
Insectes_v2b_01495, Oiseaux_v2b_02270
Auteur(s)
  • Marcelino Fuentes
Affiliation(s)
  • Area de Ecoloxía, Facultade de Bioloxía, Universidade de Santiago, E-15706, Santiago de Compostela, Spain
Résumé

Differences in fruit choice among the bird species of a Spanish shrubland were related to the size of fruits and to the lipid content of pulp. Lipid-rich fruits were selected by the bird species with slower food passage rates through the digestive tract. These bird species also fed frequently on insects and seeds. Bird species with faster food passage rates fed less on insects and seeds, and ate mainly fruits with pulp poor in lipids (rich in sugars and water). Studies of digestion in birds indicate that lipids require slower food passage rates for efficient digestion and intestinal transport than simple sugars. The available evidence indicates that the European bird species that show stronger preferences for lipid-rich fruits are no better as seed dispersers, from the point of view of the plants, than species choosing lipidpoor fruits. Thus, the degree of frugivory of birds, their fruit choice patterns and their effects on seed dispersal do not seem to be related to each other in the ways expected by the early models of the evolution of fleshy fruits.

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 - psychologie. psychophysiologie
Catégories Scopus
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Ecology, Evolution, Behavior and Systematics
Catégories WoS
  • 1 - science ; 2 - ecology
Identifiant ISTEX
20BE01FF7FBC98556A1D1DC5F5C8292135DD7959
Revue

Oecologia

Année de publication
1994
Présence de XML structuré
Non
Version PDF
1.3
Score qualité du texte
9.136
Sous-corpus
  • Insectes
  • Oiseaux
Type de publication
Journal
ark:/67375/1BB-GGJ2S4ZX-5
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