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| Content Provider | Springer Nature Link |
|---|---|
| Author | Stenhouse, Iain J. Grant Gilchrist, H. Montevecchi, William A. |
| Copyright Year | 2004 |
| Abstract | More than 90% of avian species exhibit biparental care, though parental activities are often shared unequally between the members of a pair. Among gull species (Laridae), males and females generally share parental activities, although there appear to be considerable differences between species in the relative contribution of each sex. This study examined the behaviour of male and female Sabine's gulls (Xema sabini) during the incubation period and immediately post-hatch; particularly the amount of time they each invested in breeding activities. Although considered an aberrant species in aspects of behaviour and biology, the Sabine's gull showed a high reproductive investment by both sexes, as other gull species do. Males fed females prior to egg laying and contributed equally to incubation and chick provisioning, and females contributed equally to nest defence. Overall, there was no difference between the sexes in the extent of their contributions to parental care, although there was considerable individual variation within pairs. Sabine's gulls are Arctic breeders and the extent of their contributions to parental activities could have been influenced by their extreme breeding environment and short breeding season. |
| Starting Page | 85 |
| Ending Page | 89 |
| Page Count | 5 |
| File Format | |
| ISSN | 02890771 |
| Journal | Journal of Ethology |
| Volume Number | 22 |
| Issue Number | 1 |
| e-ISSN | 14395444 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2003-08-30 |
| Publisher Place | Tokyo |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Arctic Breeding behaviour Parental roles Reproductive investment Sabine's gull Xema sabini |
| Content Type | Text |
| Resource Type | Article |
| Subject | Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
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