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| Content Provider | Springer Nature Link |
|---|---|
| Author | Hahn, Ingo Römer, Uwe Schlatter, Roberto |
| Copyright Year | 2004 |
| Abstract | The first nest sites of the endemic Másafuera Rayadito (Aphrastura masafuerae) are described, the first one being found on 16 December 1992. Másafuera Rayaditos breed in small natural holes in steep rocks, the nest being hidden within the rock and not visible through the 3 cm-wide entrance. All nest sites were located in the summit region of Alejandro Selkirk Island above 1,200 m altitude, characterised by fern stands. Nesting has been reported from early December to late January. Feeding frequency increases only slightly during nestling time. Both parents feed the nestlings in similar proportions. During the daily round no regular variation in feeding frequency occurs, although it is often higher during the first hours after sunrise. In general, it decreases strongly when a Másafuera Hawk (Buteo polyosoma exsul) is present close to the nest site. It hunts intensively on Rayaditos, both adults and juveniles. Habitat destruction and predation pressure have caused the Másafuera Rayadito to be the most endangered bird species in Chile (total population c. 140 individuals). More detailed studies on its breeding ecology are urgently needed, especially on reproductive success. |
| Starting Page | 93 |
| Ending Page | 97 |
| Page Count | 5 |
| File Format | |
| ISSN | 00218375 |
| Journal | Journal für Ornithologie |
| Volume Number | 145 |
| Issue Number | 2 |
| e-ISSN | 14390361 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2004-01-27 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Brood care Furnariidae Island birds Neotropical endemics Threatened species |
| Content Type | Text |
| Resource Type | Article |
| Subject | Animal Science and Zoology |
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