Social structure of Andean Condor roosts: Influence of sex, age, and season

Condor

Volumn 104, Issue 4, 2002, Pages 832-837

  Donázar, José A ^a   Feijóo, Juan E ^b  

^a DEPARTMENT OF CONSERVATION BIOLOGY   (Spain)

^b Museo de Zoología de la Universidad de Córdoba   (Argentina)

Author keywords

Age; Andean Condor; Dominance; Roost; Sex; Social structure; Vultur gryphus

Indexed keywords

VULTUR GRYPHUS;

EID: 24744441981     PISSN: 00105422     EISSN: None     Source Type: Journal    
DOI: 10.1650/0010-5422(2002)104[0832:SSOACR]2.0.CO;2     Document Type: Article

References (32)

1. ANDERSSON, M., F. GÖTMARK, AND C. G. WIKLUND. 1981. Food information in the Black-headed Gull, Larus ridibundus. Behavioral Ecology and Sociobiology 9:199-202.
2. BEAUCHAMP, G. 1999. The evolution of communal roosting in birds: origin and secondary losses. Behavioral Ecology 10:675-687.
3. BISHOP, R. P., AND A. L. GROVES. 1991. The social structure of Arabian Babbler, Turdoides squamiceps, roosts. Animal Behaviour 42:323-325.
4. BLANCO, G., AND J. L. TELLA. 1999. Temporal, spatial and social segregation of Red-billed Choughs between two types of communal roost: a role for mating and territory acquisition. Animal Behaviour 57:1219-1227.
5. BUCKLEY, N. J. 1998. Interspecific competition between vultures for preferred roost positions. Wilson Bulletin 110:122-125.
6. BUSTAMANTE, J., J. A. DONÁZAR, F. HIRALDO, O. CEBALLOS, AND A. TRAVAINI. 1997. Differential habitat selection by immature and adult Grey Eagle-Buzzards Geranoaetus melanoleucus. Ibis 139:322-330.
7. CAPITANELI, R. 1979. Clima, p. 180-182. In J. Vázquez, R. Miatello, and A. Roqué [EDS.], Geografía física de la provincia de Córdoba. Editorial Boldt, Buenos Aires.
8. CEBALLOS, O., AND J. A. DONÁZAR. 1990. Roost-tree characteristics, food habits and seasonal abundance of roosting Egyptian Vultures in northern Spain. Journal of Raptor Research 24:19-25.
9. DEL HOYO, J., A. ELLIOT, AND J. SARGATAL. 1994. Handbook of the birds of the world. Vol. 2. Lynx Edicions, Barcelona.
10. DOBSON, A. J. 1983. Introduction to statistical modelling. Chapman & Hall, London.
11. DONÁZAR, J. A., A. TRAVAINI, O. CEBALLOS, A. RODRÍGUEZ, M. DELIBES, AND F. HIRALDO. 1999. Effects of sex-associated competitive asymmetries on foraging group structure and despotic distribution in Andean Condors. Behavioral Ecology and Sociobiology 45:55-65.
12. DRAULANS, D., AND J. VAN VESSEM. 1986. Communal roosting in Grey Herons (Ardea cinerea) in Belgium. Colonial Waterbirds 9:18-24.
13. FEIJÓO, J. 1999. Primer censo de cóndores para la Quebrada del Condorito. Registro Nacional del Cóndor Andino 7:18-25.
14. FERRER, M., AND G. F. E. JANSS. 1999. Birds and power lines. Quercus, Madrid.
15. GIRALDEAU, L.-A. 1997. The ecology of information use, p. 42-68. In J. R. Krebs and N. B. Davies [EDS.], Behavioural ecology: an evolutionary approach. 4th ed. Blackwell Scientific, Oxford, UK.
16. HALLER, H. 1983. Die Thermikabhängigkeit des Bartgeiers Gypaetus barbatus als mögliche Mitursache für sein Aussterben in den Alpen. Der Ornithologische Beobachter 80:263-272.
17. HIRALDO, F., AND J. A. DONÁZAR. 1989. Foraging time in the Cinereous Vulture Aegypius monachus: seasonal and local variations and influence of weather. Bird Study 37:128-132.
18. HOUSTON, D. C. 1980. A possible function of sunning behavior by Griffon Vultures, Gyps spp., and other large soaring birds. Ibis 122:366-369.
19. HOUSTON, D. 2001. Condors and vultures. WorldLife Library, Voyageur Press. Stillwater, MN.
20. JENNI, L. 1993. Structure of a Brambling Fringilla montifringilla roost according to sex, age and body-mass. Ibis 135:85-90.
21. LUTI, R., M. BERTRÁN DE SOLÍS, F. GALERA, N. MÜLLER DE FERREIRA, M. BERZAL, M. NORES, M. HERRERA, AND J. BARRERA. 1979. Vegetación, p. 297-368. In J. Vázquez, R. Miatello, and A. Roqué [EDS.], Geografía física de la provincia de Córdoba. Editorial Boldt, Buenos Aires.
22. MCCULLAGH, P., AND J. A. NELDER. 1983. Generalised linear modelling. Chapman & Hall, London.
23. NELDER, J. A. R., AND W. M. WEDDERBURN. 1972. Generalized linear models. Journal of the Royal Statistical Society A 135:370-384.
24. NEWTON, I. 1979. Population ecology of raptors. T & AD Poyser, Calton, UK.
25. SIEGEL, S., AND N. J. CASTELLAN. 1988. Nonparametric statistics for the behavioral sciences. McGraw-Hill International Editions, New York.
26. STILL, E., P. MONAGHAN, AND E. BIGNAL. 1987. Social structuring at a communal roost of Choughs (Pyrrhocorax pyrrhocorax). Ibis 129:398-403.
27. SUMMERS, R. W., G. E. WESTAKLE, AND C. J. FEARE. 1987. Differences in the ages, sexes and physical condition of Starlings Sturnus vulgaris at the centre and periphery of roosts. Ibis 129:96-102.
28. THOMPSON, W. L., R. H. YAHNER, AND G. L. STORM. 1990. Winter use and habitat characteristics of vulture communal roosts. Journal of Wildlife Management 54:77-83.
29. TONNY, E., AND J. I. NORIEGA. 1998. Los cóndores (Ciconiiformes, Vulturidae) de la region pampeana de la Argentina durante el Cenozoico tardio: distribucion, interacciones y extinciones. Ameghiniana 35:141-150.
30. WALLACE, M. P., AND S. TEMPLE. 1987. Competitive interactions within and between species in a guild of avian scavengers. Auk 104:290-295.
31. YACKEL ADAMS, A. A., S. K. SKAGEN, AND R. L. KNIGHT. 2000. Functions of perch relocations in a communal roost of wintering Bald Eagles. Canadian Journal of Zoology 78:809-816.
32. YOM-TOV, Y. 1979. The disadvantage of low positions in colonial roosts: an experiment to test the effect of droppings on plumage quality. Ibis 121:331-333.