Title
Home range characteristics of the Near Threatened Giant Conebill **Oreomanes fraseri** in fragmented **Polylepis** forestHome range characteristics of the Near Threatened Giant Conebill **Oreomanes fraseri** in fragmented **Polylepis** forest
Author
Faculty/Department
Faculty of Sciences. Biology
Research group
Evolutionary ecology group (EVECO)
Department of Biology
Publication type
article
Publication
Subject
Biology
Source (journal)
Bird conservation international
Volume/pages
19(2009):3, p. 215-223
ISI
000269906100002
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The Giant Conebill Oreomanes fraseri is a specialist of high Andean Polylepis forest remnants. With the aid of radio-tracking and visual observations, the average 100% minimum convex polygon home range size of seven adult individuals was 7.15 ha. Range size decreased with increasing tree density, and for equal tree densities, it was larger in the study site with larger Polylepis fragments. Home ranges often comprised areas that were largely or entirely devoid of trees. Within home ranges, space use significantly varied with time of day, and this pattern tended to be largely consistent among days. Given the large extent of variation in size and structure already observed in this small sample of home ranges, we suggest that apart from the size, shape, structure and degree of isolation of the remaining forest patches, also their topographic location, and hence sun exposure, may be an important consideration when designing conservation strategies for Giant Conebill.
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