Publication Type: | Journal Article |
Year of Publication: | 1993 |
Authors: | Newton, I |
Journal: | Animal Behaviour |
Volume: | 46 |
Issue: | 1 |
Date Published: | 1993 |
ISBN Number: | 0003-3472 |
Keywords: | Accipiter, Accipiter nisus, Accipitridae |
Abstract: | Abstract. Female sparrowhawks often used the same nesting territory in successive years, but sometimes changed territories between one breeding season and the next. The tendency to stay on the same nesting territory, rather than move to a different territory, increased progressively with age up to the oldest age groups of 6-9 years old. This was due to the same individuals showing greater site fidelity with increasing age, and not to the progressive disappearance from the study population of individuals showing the greatest inclination to move. Within any one age group, females were more likely to change nesting territories after a breeding failure than after a success. However, this tendency was more marked in the younger age groups than among the older ones. As a group, females that stayed on the same territories from one year to the next showed high nest success, but no improvement between the years, whereas females that changed territories showed improved success in the year after the move. |
URL: | http://www.sciencedirect.com/science/article/pii/S0003347283711711 |
Short Title: | Animal Behaviour |
Taxonomic name: