2024-03-29T12:26:00Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/643962020-12-13T09:10:45Zcom_10261_13com_10261_8com_10261_108col_10261_266col_10261_361
DIGITAL.CSIC
author
Negro, Juan J.
author
Margalida, Antoni
author
Torres, María José
author
Grande, Juan Manuel
author
Hiraldo, Fernando
author
Heredia, Rafael
funder
Generalitat de Catalunya
funder
Ministerio de Educación (España)
2013-01-18T09:10:08Z
2013-01-18T09:10:08Z
2002
Animal Behaviour 64(3): F5-F7 (2002)
http://hdl.handle.net/10261/64396
10.1006/anbe.2002.3098
http://dx.doi.org/10.13039/501100002809
We have hypothesized (Negro et al. 1999) that bearded vultures, Gypaetus barbatus, deliberately stain their plumage with iron oxides to signal dominance status. The conceptual frame to which we ascribe our hypothesis is the handicap principle (Zahavi & Zahavi 1997). For a signal to convey reliable information, and thus to evolve, it has to be costly (Zahavi 1975), and we proposed that the associated cost of the red colour signal for bearded
vultures is that adequate ferruginous springs are a limited
resource.
eng
openAccess
Iron oxides in the plumage of bearded vultures. Medicine or cosmetics?
artículo
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URL
https://digital.csic.es/bitstream/10261/64396/4/iroxidevultur.pdf
File
MD5
96d32b12d7c80e69153c1438c017db8b
44629
application/pdf
iroxidevultur.pdf