Long-lived birds, particularly territorial raptors, are known to occupy territories for long periods of time. However, little is known of long-term occupancy of nests (see Newton 1979, Burnham et al. 2009). Nest emplacements are valuable resources for raptors because they can provide a signaling function for conspecifics, and ownership of alternative sites may reduce competition with other species and reduce nest ectoparasites (Newton 1979, Hiraldo et al. 1995, Ontiveros et al. 2008, Jiménez-Franco et al. 2014). Their significance can be even greater for hole-nesting birds because cavities meeting species-specific requirements may be in short supply (Newton 1994, Cockle et al. 2011). Thus, high-quality nests of cliff-nesting raptors are sometimes occupied for long periods of time, but documented examples of this are very scarce. Perhaps the most striking case is that of a Gyrfalcon (Falco rusticolus) eyrie in Greenland,...
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September 2016
LETTERS|
September 01 2016
Long-term Occupancy (1900–2015) of an Egyptian Vulture Nest
Juan Ramírez;
Juan Ramírez
c/ Héroe de Sostoa 69, 1-4, E-29002 Málaga, Spain
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Julio Roldan;
Julio Roldan
c/ Gema 28, E-41020 Sevilla, Spain
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Manuel de la Riva;
Manuel de la Riva
Department of Conservation Biology, Estación Biológica de Doñana (CSIC), Américo Vespucio s/n, E-41092 Sevilla, Spain
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José A. Donázar
José A. Donázar
1
Department of Conservation Biology, Estación Biológica de Doñana (CSIC), Américo Vespucio s/n, E-41092 Sevilla, Spain
1 Email address: [email protected]
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Journal of Raptor Research (2016) 50 (3): 315–317.
Article history
Received:
October 15 2015
Accepted:
January 08 2016
Citation
Juan Ramírez, Julio Roldan, Manuel de la Riva, José A. Donázar; Long-term Occupancy (1900–2015) of an Egyptian Vulture Nest. Journal of Raptor Research 1 September 2016; 50 (3): 315–317. doi: https://doi.org/10.3356/JRR-15-74.1
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