| Titre : | Journal of Avian Biology 27(4) - DEC 1996 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
C. P. Bell, Auteur
Leap-frog migration is attributable to variation among populations in the cost of spring migration in relation to the optimal time for the start of breeding. Populations which breed in regions where spring arrives relatively late, and thus leave[...]
Article
P. J. Rey, Auteur ;
J. E. Gutierrez, Auteur
This paper analyzes the change in feeding behaviour of frugivorous birds (from swallowing the whole fruit to pecking the pulp) in olive orchards. The frequency of olive consumption by pecking was indirectly assessed by comparing the appearance o[...]
Article
The mass-specific activity of citrate synthase (CS) is often used as an indicator of the aerobic capacity of the pectoralis muscle. We investigated whether there is variation in CS activity within the pectoralis muscle of the Barnacle Goose. In [...]
