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Miguel Ferrer
   Photo

Miguel Ferrer

   Biography

Ph.D. 1990: "Juvenile dispersal of the Spanish Imperial Eagle"
Now working at Doñana Biological Station.

High Council for Scientific Research of Spain
Estación Biologica de Doñana  Avd. Maria Luisa, Pabellon del Peru
Sevilla,  Sevilla  41013  Spain
Phone: +34 954 23 23 40 Fax: +34 954 62 11 25
Email: mferrer@ebd.csic.es


   Research Interests

Small population dynamics, juvenile dispersal, conservation, physiology, and behavior.
Interested in eagles and large raptors in general.

Species of Interest: 
  • Bonelli's Eagle
  • Booted Eagle
  • Spanish Imperial Eagle


   Publications

Scholer, M.N., B. Martin, M. Ferrer, A. Onrubia, M.J. Bechard, G.S. Kaltenecker, and J.D. Carlisle. 2016. Variable shifts in the autumn migration phenology of soaring birds in southern Spain. Ardea 104(1):83-93.

de Lucas, M., M. Ferrer, M.J. Bechard, and A.R. Muñoz. 2012. Griffon vulture mortality at wind farms in southern Spain: distribution of fatalities and active mitigation measures. Biological Conservation 147:184-189.

Ferrer, M., M. de Lucas, G.F.E. Janss, E. Casado, A.R. Muñoz, M.J. Bechard, and C.P. Calabuig. 2012. Weak relationship between risk assessment studies and recorded mortality in wind farms. Journal of Applied Ecology 49:38-46.

Ferrer, M. 2010. Density dependence hypotheses and the distribution of fecundity. Journal of Animal Ecology 77:341-345.

Janss, G. F. E., M. de Lucas, D. P. Whitfield, A. Lazo, and M. Ferrer. 2010. The precautionary principle and wind-farm planning in Andalucia. Biological Conservation 143:1827-1828.

Muriel, R., M. Ferrer, E. Casado, and C. Pérez Calabuig. 2010. First successful breeding of reintroduced Ospreys Pandion haliaetus in mainland Spain. ARdeola 57:175-180.

Muriel, R., E. Casado, D. Schmidt, C.P. Calabuig, and M. Ferrer. 2010. Morphometric sex determination of young Ospreys Pandion haliaetus using discriminant analysis. Bird Study 57:336-343.

Pavón, D., R. Limiñana, V. Urios, A. Izquierdo, B. Yañez, M. Ferrer, and A. de la Vega. 2010. Autumn migration of juvenile Short-toed Eagles Circaetus gallicus from southeastern Spain. Ardea 98:113-117.

Balbontín, J., and M. Ferrer. 2009. Movements of juvenile Bonelli's Eagles Aquila fasciata during dispersal. Bird Study 56:86-95.

Ferrer, M., I. Newton, and M. Pandolfi. 2009. Small populations and offspring sex-ratio deviations in eagles. Conservation Biology 23:1017-1025.

López-López, P., A. Soutullo, C.P. García-Ripollés, V. Urios, L. Cadahia, and M. Ferrer. 2009. Markov models of territory occupancy: implications for the management and conservation of competing species. Biodiversity and Conservation 18:1389-1402.

Penteriani, V., M. Ferrer, F. Otalora, and M.M. Delgado. 2009. When individuals senesce: the 'Florida effect' on stable populations of territorial, long-lived birds. Oikos 118:321-327.

Casado, E., S. Suárez-Seoane, J. Lamelin, and M. Ferrer. 2008. The regulation of brood reduction in Booted Eagles Hieraaetus pennatus through habiat heterogeneity. Ibis 150:788-798.

de Lucas, M., G. F. E. Janss, D. P. Whitfield, and M. Ferrer. 2008. Collision fatality of raptors in wind farms does not depend on raptor abundance. Journal of Applied Ecology 45:1695-1703.       pdf

Ferrer, M., I. Newton, and E. Casado. 2008. Density dependence hypotheses and the distribution of fecundity. Journal of Animal Ecology 77:341-345.

Ferrer, M., and V. Penteriani. 2008. Non-independence of demographic parameters: positive density-dependent fecundity in eagles. Journal of Applied Ecology 45:1453-1459.       pdf

Soutullo, A., V. Urios, M. Ferrer, and P. López-López. 2008. Habitat use by juvenile Golden Eagles Aquila chrysaetos in Spain. Bird Study 55:236-240.

Penteriani, V., F. Otalora, and M. Ferrer. 2008. Floater mortality within settlement areas can explain the Allee effect in breeding populations. Ecological Modelling 213:198-104.       pdf

de Lucas, M., G. F. E. Janss, and M. Ferrer. 2007. (Book) Birds and wind farms: risk assessment and mitigation. Quercus, Madrid, Spain.

de Lucas, M., G. Janss, and M. Ferrer. 2007. Wind farm effects on birds in the Strait of Gibraltar. Pp. 219-227 in M. de Lucas, G.F.E. Janss, and M. Ferrer (eds.), Birds and wind farms. Quercus, Madrid, Spain.

Ferrer, M., J. J. Negro, E. Casado, R. Muriel, and A. Madero. 2007. Human disturbance and the conservation of the Spanish Imperial Eagle: a response to Gonzalez et al. (2006). Animal Conservation 10:293-294.

Ferrer, M., and V. Penteriani. 2007. Supplementary feeding and the population dynamic of the Spanish Imperial Eagle. Ardeola 54:359-363.

Urios, V., A. Soutullo, P. López-López, L. Cadahia, R. Liminana, and M. Ferrer. 2007. The first case of successful breeding of a Golden Eagle Aquila chrysaetos tracked from birth to death by satellite telemetry. Acta Ornithologica 42:205-209.       pdf

Soutullo, A., L. Cadahía, V. Urios, M. Ferrer, and J.J. Negro. 2007. Accuracy of lightweight satellite telemetry: a case study in the Iberian Peninsula. Journal of Wildlife Management 71:1010-1015; DOI:10.2193/2006-042.

Ferrer, M., I. Newton, and E. Casado. 2006. How to test different density-dependent fecundity hypotheses in an increasing or stable population. Journal of Animal Ecology 75:111-117.       pdf

Muriel, R., M. Ferrer, E. Casado, and D. Schmidt. 2006. First breeding success of Osprey (Pandion haliaetus) in mainland Spain since 1981 using cross-fostering. Journal of Raptor Research 40:303-304.

Penteriani, V., F. Otalora, and M. Ferrer. 2006. Floater dynamics can explain positive patterns of density-dependent fecundity in animal populations. American Naturalist 168:697-703.

Soutullo, A., V. Urios, and M. Ferrer. 2006. How far away in an hour? Daily movements of juvenile Golden Eagles (Aquila chrysaetos) tracked with satellite telemetry. Journal of Ornithology 147:69-72.       pdf

Soutullo, A., V. Urios, M. Ferrer, and S.G. Peñarrubia. 2006. Dispersal of Golden Eagles Aquila chrysaetos during their first year of life. Bird Study 53:258-264.       pdf

Penteriani, V., M. A. Fortuna, J. Melián, F. Otalora, and M. Ferrer. 2006. Can prey behaviour induce spatially synchronic aggregation of solitary predators? Oikos 112:497-505.

Soutullo, A., V. Urios, M. Ferrer, and S.G. Peñarrubia. 2006. Post-fledging behaviour in Golden Eagles Aquila chrysaetos: onset of juvenile dispersal and progressive distancing from the nest. Ibis 148:307-312.       pdf

Penteriani, V., C. Alonso-Alvarez, M.M. Delgado, F. Sergio, and M. Ferrer. 2006. Brightness variability in the white badge of the eagle owl Bubo bubo Journal of Avian Biology 37:110-116.       pdf

Balbontín, J., and M. Ferrer. 2005. Factors affecting the length of the post-fledging period in the Bonelli's Eagle Hieraaetus fasciatus. Ardea 93:189-198.

Balbontín, J., and M. Ferrer. 2005. Condition of large brood in Bonelli's Eagle Hieraaetus fasciatus. Bird Study 52:37-41.       pdf

Balbontín, J., V. Penteriani, and M. Ferrer. 2005. Humans act against the natural process of breeder selection: a modern sickness for animal populations? Biodiversity and Conservation 14:179-186.       pdf

Casado, E., and M. Ferrer. 2005. Analysis of reservoir selection by wintering Ospreys (Pandion haliaetus haliaetus) in Andalusia, Spain: a potential tool for reintroduction. Journal of Raptor Research 39:168-173.

Muñoz, A. R., J. Balbontin, J. Carrete, E. Ferreiro, M. Ferrer, S. Mañosa, J. M. Pleguezuelos, and J. A. Sánchez-Zapata. 2005. Modelling the distribution of Bonelli's Eagle in Spain: implications for conservation planning. Diversity and Distributions 11:477-486.

Penteriani, V., F. Otalora, and M. Ferrer. 2005. Floater survival affects population persistence: the role of prey availability and environmental stochasticity. Oikos 108:523-534.       pdf

Penteriani, V., F. Otalora, and M. Ferrer. 2005. Environmental stochasticity in dispersal areas can explain the "mysterious" disappearance of breeding populations. Proceedings of the Royal Society of London Series B Biological Sciences 272:265-1269.       pdf

Penteriani, V., F. Sergio, and M. Ferrer. 2005. Biases in population diet studies due to sampling in heterogeneous environments: a case study with the eagle owl. Journal of Field Ornithology 76:37-244.

de Lucas, M., G.F.E. Janss, and M. Ferrer. 2004. The effects of a wind farm on birds in a migration point: the Strait of Gibraltar. Biodiversity and Conservation 13:395-407.       pdf

Ferrer, M., and J.J. Negro. 2004. The near extinction of two large European predators: super specialists pay a price. Conservation Biology 18:344-349.

Ferrer, M., F. Otalora, and J. M. García-Ruiz. 2004. Density-dependent age of first reproduction as a buffer affecting persistence of small populations. Ecological Applications 14:616-624.

Penteriani, V., and M. Ferrer. 2004. Unpaired female birds use sex to atract already paired males: "La donna è mobile qual pluma al vento". Ethology Ecology & Evolution 16:91-95.

Penteriani, V., M.M. Delgado, M. Gallardo, and M. Ferrer. 2004. Spatial heterogeneity and structure of bird populations a case example with the eagle owl. Population Ecology 46:185-192.       pdf

Balbontín, J., V. Penteriani, and M. Ferrer. 2003. Variations in the age of mates as an early warning signal of changes in population trends? The case of Bonelli's Eagle in Andalusia. Biological Conservation 109:417-423.       pdf

Ferrer, M., and I. Bisson. 2003. Age and territory-quality effects on fecundity in the Spanish Imperial Eagle (Aquila adalberti). Auk 120:180-186       pdf

Ferrer, M., and V. Penteriani. 2003. A process of pair formation leading to assortative mating: passive age-assortative mating by habitat heterogeneity. Animal Behaviour 66:137-143.       pdf

Ferrer, M., V. Penteriani, J. Balbontin, and M. Pandolfi. 2003. The proportion of immature breeders as a reliable early warning signal of population decline: evidence from the Spanish Imperial Eagle of Doñana. Biological Conservation 114:463-466.       pdf

Penteriani, V., J. Balbontin, and M. Ferrer. 2003. Simultaneous effects of age and territory quality on fecundity in Bonelli's Eagle Hieraaetus fasciatus. Ibis 145(online):E77-E82.       pdf

Alonso-Alvarez, C., M. Ferrer, and A. Velando. 2002. The plasmatic index of body condition in Yellow-legged Gulls Larus cachinnans: a food-controlled experiment. Ibis 144:147-149.       pdf

Alonso-Alvarez, C., M. Ferrer, J. Figuerola, J.A.R. Veira, J. Estepa, and L.M. Torres. 2003. The effects of testosterone manipulation on the body condition of captive male Yellow-legged Gulls. Comparative Biochemistry and Physiology Part A 131:293-303.       pdf

Balbontín, J., and M. Ferrer. 2002. Plasma chemistry reference values in free-living Bonelli's Eagle (Hieraaetus fasciatus) nestlings. Journal of Raptor Research 36:231-235.

Bisson, I. A., M. Ferrer, and D. M. Bird. 2002. Factors influencing nest-site selection by Spanish Imperial Eagles. Journal of Field Ornithology 73:298-302.       pdf

Casado, E., J. Balbontín, and M. Ferrer. 2002. Plasma chemistry in Booted Eagle (Hieraaetus pennatus) during breeding season. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology 131A:233-241.

Madero, A., and M. Ferrer. 2002. [The reintroduction of the Imperial Eagle in Andalucia]. Quercus 202:19-21. (In Spanish)

Balbontín, J., M. Ferrer, and E. Casado. 2001. Sex determination in Booted Eagle (Hieraaetus pennatus) using molecular procedures and discrimnant function analysis. Journal of Raptor Research 35:20-23.

Sergio,. F., L. Marchesi, P. Pedrini, M. Ferrer, and V. Penteriani. 2004. Electrocution alters the distribution and density of top predator, the eagle owl Bubo bubo Journal of Applied Ecology 41:836-845.       pdf

Ferrer, M. 2001. (Book) The Spanish Imperial Eagle. Lynx Edicions, Barcelona, Spain.

Janss, G.F.E., and M. Ferrer. 2001. Avian electrocution mortality in relation to pole design and adjacent habitat in Spain. Bird Conservation International 11:3-12.

Balbontin, J., V. Penteriani, and M. Ferrer. 2000. [The Bonelli's Eagle in Andalucia: present status and reproductive and dispersal behavior]. CSIC/Junta de Anadalucia, Seville, Spain. (In Spanish)

Ferrer, M. 2000. [How to save the most endangered raptor in the world]. Garcilla 107:16-17. (In Spanish)

Suarez, S., J. Balbontin, and M. Ferrer. 2000. Nesting habitat selection by Booted Eagles (Hieraaetus pennatus) and implication for management. Journal of Applied Ecology 37:215-223.       pdf

Benito, V., V. Devesa, O. Muñoz, R. Montoro, R. Baos, F. Hiraldo, M. Ferrer, M. Fernández, and M. J. González. 1999. Trace elements in blood collected from birds feeding in the area around Doñana National Park affected by the toxic spill from the Aznalcollar mine. Science of the Total Environment 242:309-323.

Ferrer, M. 1999. (Review of) In-hand identification guide to Palearctic raptors, by William S. Clark and Reuven Yosef. Journal of Raptor Research 33:76.

Janss, G. F. E., and M. Ferrer. 1999. Avian electrocution of power lines: European experiences. Pp. 145-164 in M. Ferrer and G.F.E. Janss (eds.), Birds and power lines: collision, electrocution, and breeding. Quercus, Madrid, Spain.

Janss, G.F.E., and M. Ferrer. 1999. Mitigation of raptor electrocution on steel power poles. Wildlife Society Bulletin 27:263-273.

Janss, G.F.E., A. Lazo, and M. Ferrer. 1999. Use of raptor models to reduce avian collisions with powerlines. Journal of Raptor Research 33:154-159.

Rubio, M.D., N. Ildefonso, E.I. Aguera, A. Munoz, B. Escribano, M. Ferrer, and C. Vega. 1999. [Incidence of environmental factors in blood biochemistry of Booted Eagle chicks (Hieraaetus pennatus)]. Medicina Veterinaria 16:202-208. (In Spanish with English summary)

Ferrer, M., and P. Dobado-Berrios. 1998. Factors affecting plasma chemistry values of the Spanish Imperial Eagle, Aquila adalberti. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology 120:209-217.

Janss, G.F.E., and M. Ferrer. 1998. Rate of bird collision with power lines: effects of conductor-marking and static wire-marking. Journal of Field Ornithology 69:8-17.

Dobado-Berrios, P. M., and M. Ferrer. 1997. Age-related changes of plasma alkaline phosphatase and inorganic phosphorus, and late ossification of the cranial roof in the Spanish Imperial Eagle (Aquila adalberti C.L. Brehm, 1861). Physiological Zoology 70:421-427.

Ferrer, M., and M. Harte. 1997. Habitat selection by immature Spanish Imperial Eagles during the dispersal period. Journal of Applied Ecology 34:1359-1364.       pdf

Vinuela, J., and M. Ferrer. 1997. Regulation of growth in Red Kites and Imperial Eagles. Wilson Bulletin 109:92-101.

Bisson, I., D.M. Bird, and M. Ferrer. 1996. (Abstract) Influence of territory structure on the productivity of the Spanish Imperial Eagle population of Doñana National Park, Spain. In Abstracts: 114th Stated meeting of the American Ornithologists' Union and 1996 Annual Meeting of the Raptor Research Foundation, 13-17 August 1996, Boise, Idaho.

Ferrer, M., and J. A. Donazar. 1996. Density-dependent fecundity by habitat heterogeneity in an increasing population of Spanish Imperial Eagles. Ecology 77:69-74.       pdf

Bisson, I., D.M. Bird, and M. Ferrer. 1995. (Abstract) Habitat selection in the Spanish Imperial Eagle population of Doñana National Park. Pp. 6-7 in Program & abstracts of thge Raptor Research Foundation 1995 annual meeting, Duluth, Minnesota, 1-4 November 1995.

Negro, J.J., and M. Ferrer. 1995. Mitigating measures to reduce electrocution of birds on power lines: a comment on Bevanger's review. Ibis 137:423-424.

Ferrer, M., and F. Hiraldo. 1995. Human-associated staphylococcal infection in Spanish Imperial Eagles. Journal of Wildlife Diseases 31:534-536.       pdf

Ferrer, M. 1994. Nutritional condition of Spanish Imperial Eagle nestlings Aquila adalberti. Bird Study 41:120-123.

Ferrer, M. 1993. Juvenile dispersal behaviour and natal philopatry of a long-lived raptor, the Spanish Imperial Eagle Aquila adalberti. Ibis 135:132-138.

Ferrer, M. 1993. [The Spanish Imperial Eagle]. Eurofauna 1:1-231. (In Spanish)

Ferrer, M. 1993. [Polemics around Spanish Imperial Eagle management techniques]. Quercus 84:53. (In Spanish)

Ferrer, M. 1993. Reduction in hunting success and settlement strategies in young Spanish Imperial Eagles. Animal Behaviour 45:406-408.

Ferrer, M. 1993. Ontogeny of dispersal distances in young Spanish Imperial Eagles. Behavioral Ecology and Sociobiology 32:259-263.

Ferrer, M. 1993. Natural adoption of fledglings by Spanish Imperial Eagles Aquila adalberti. Journal für Ornithologie 134:335-337.

Ferrer, M. 1993. Wind-influenced juvenile dispersal of Spanish Imperial Eagles. Ornis Scandinavica 24:330-333.

Ferrer, M., G. Janss, and M. L. Chacon. 1993. [Avian mortality on electrical lines: current situation in Spain]. Quercus 94:20-23. (In Spanish)

Ferrer, M. 1992. [Management techniques for the Spanish Imperial Eagle]. Quercus 81:6-11. (In Spanish)

Ferrer, M. 1992. Natal dispersal in relation to nutritional condition in Spanish Imperial Eagles. Ornis Scandinavica 23:104-107.

Ferrer, M. 1992. Regulation of the period of postfledging dependence in the Spanish Imperial Eagle (Aquila adalberti). Ibis 134:128-133.

Ferrer, M., and C. Delecourt. 1992. Sex identification in the Spanish Imperial Eagle. Journal of Field Ornithology 63:359-364.

Ferrer, M., and F. Hiraldo. 1992. Man-induced sex-biased mortality in the Spanish Imperial Eagle. Biological Conservation 60:57-60.

Ferrer, M., M. de la Riva, and J. Castroviejo. 1991. Electrocution of raptors on power lines in southwestern Spain. Journal of Field Ornithology 62:181-190.

Ferrer, M., and J. J. Negro. 1992. [Electrical lines and bird conservation in Spain]. Ardeola 39:23-27. (In Spanish with English summary)

Ferrer, M., and F. Hiraldo. 1991. Evaluation of management techniques for the Spanish Imperial Eagle. Wildlife Society Bulletin 19:436-442.

Viñuela, J., M. Ferrer, and F. Recio. 1991. Age related variations in plasma levels of alkaline phosphatase, calcium and inorganic phosphorus in chicks of two species of raptors. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology 99A:49-54.

Ferrer, M. 1990. Nest defense by male and female Spanish Imperial Eagles. Journal of Raptor Research 24:77-79.

Ferrer, M. 1990. Hematological studies in birds. Condor 92:1085-1086.

Ferrer, M., and J. Calderon. 1990. The Spanish Imperial Eagle Aquila adalberti C.L. Brehm 1861 in Doñana National Park (south-west Spain): a study of population dynamics. Biological Conservation 51:151-161.

Ferrer, M., L. Garcia, and R. Cadenas. 1990. Long-term changes in nest defence intensity of the Spanish Imperial Eagle. Ardea 78:395-398.

Negro, J.J., M. Ferrer, and S. Regidor. 1989. [Efficacy of two methods for preventing electrocutions on power lines]. Ardeola 36:201-206. (In Spanish with English summary)

Calderon, J., J. Castroviejo, L. Garcia, and M. Ferrer. 1988. [The Imperial Eagle (Aquila adalberti): dispersion of juveniles, age structure, and mortality]. Doñana, Acta Vertebrata 15:79-98. (In Spanish with English summary)

Ferrer, M., T. García-Rodriguez, J. C. Carillo, and J. Castroviejo. 1987. Hematocrit and blood chemistry values in captive raptors (Gyps fulvus, Buteo buteo, Milvus migrans, Aquila heliaca). Comparative Biochemistry and Physiology A 87:1123-1127.

Garcia Rodriguez, T., M. Ferrer, J. C. Carrillo, and J. Castroviejo. 1987. Metabolic responses of Buteo buteo to long-term fasting and refeeding. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology 87A:381-386.

Garcia Rodriguez, T., M. Ferrer, F. Recio, and J. Castroviejo. 1987. Circadian rhythms of determined blood chemistry values in buzzards and eagle-owls. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology 88A:663-669.



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