Publicaciones Científicas


Ferrer, M., Morandini, V., Perry, L. and Bechard, M. 2017. Factors affecting plasma chemistry values of the black-browed albatross Thalassarche melanophrys. Polar Biology. DOI 10.1007/s00300-017-2075-6

Gil-Jiménez, E., Manzano, J., Casado, E., Ferrer, M. 2017 The role of density-dependence regulation in the misleading effect of the Aznalcollar mining spill on the booted Eagle fecundity. Science of The Total Environment 583: 440-446


Scholer, M.N., Martín, B., Ferrer, M., Onrubia, A., Bechard, M.J., Kaltenecker, G.S., Carlisle, J.D. 2016. Variable Shifts in the Autumn Migration Phenology of Soaring birds in Southern Spain. Ardea 104 (1): 83-93.

Ferrer, M., Morandini, V., Perry, L., Bechard, M. 2016. Sex Determination by Morphological Measurements of Black-browed Albatrosses (Thalassarche melanophrys) Using Discriminant Analysis. Waterbirds 2016, 39(3): 295-299

Panuccio, M., Martín, B., Morganti, M., Onrubia, A., Ferrer, M. 2016. Long-term changes in autumn migration dates at the Strait of Gibraltar reflect population trends of soaring birds.

Muriel, R., Morandini, V., Ferrer, M., Balbontín, J., Morlanes, V. 2016. Juvenile dispersal behaviour and conspecific attraction: an alternative approach with translocated Spanish imperial Eagle. Animal Behaviour 116: 17-29.

Martin, B., Onrubia, A., Ferrer, M. 2016. Migration timing responses to climate change differ between adult and juvenile white storks across Western Europe. Climate Research 69: 9-23.

Miller, R., Onrubia, A., Martín, B., Kaltenecker, G.S., Carlisle, J.D., Bechard, M.J., Ferrer, M. 2016. Local and regional weather patterns influencing post-breeding migration counts of soaring birds at the Strait of Gibraltar, Spain. Ibis 158: 106-115.

Martín, B., Onrubia, A., de la Cruz, A., Ferrer, M. 2016. Trends of autumn counts at Iberian migration bottlenecks as a tool for monitoring continental populations of soaring birds in Europe. Biodiversity and Conservation. DOI: 10.1007/s10531-016-1047-4


Hernández-Pliego, J., de Lucas, M., Muñoz, A.R., Ferrer, M. 2015. Effects of wind farms on Montagu’s Harrier (Circus pygargus) in Southern Spain. Biological Conservation 191: 452-458.

Muriel, R., Ferrer, M., Balbontín, J., Cabrera, L., Calabuig, C. 2015. Disentangling the effect of parental care, food supply, and offspring decisions on the duration of the postfledging period. Behavioral Ecology 26: 1587-1596

Martín, B., Delgado, S., de la Cruz, A., Tirado, S, Ferrer, M. 2015. Effects of human presence on the long-term trends of migrant and resident shorebirds: Evidence of local population declines. Animal Conservation 18: 73 – 81.

Muriel, R., Morandini, V., Ferrer, M., Balbontín, J. 2015. Independence and juvenile dispersal distances in wild and reintroduced Spanish imperial eagles. Biological Conservation 191: 300 – 305.

Morandini, V., Ferrer, M. 2015. Sibling aggression and brood reduction: A review. Ethology Ecology and Evolution 27: 2-16.

Martín, B., Ferrer, M. 2015. Temporally variable environments maintain more beta-diversity in Mediterranean landscapes. Acta Oecologica 68: 1 – 10.

Ferrer, M., Morandini, V., Newton, I. 2015. Floater interference reflects territory quality in the Spanish Imperial Eagle Aquila adalberti: a test of a density-dependent mechanism. Ibis 157: 849-859.

Camacho C; Canal D; Potti J. 2015. Testing the matching habitat choice hypothesis in nature: phenotype-environment correlation and fitness in a songbird population. Evolutionary Ecology. doi: 10.1007/s10682-015-9793-4.

Garamszegi L; Zagalska-Neubauer M; Canal D; Markó G; Szász E; Zsebők S; Szöllősi E; Herczeg G; Török J. 2015. Malaria parasites, immune challenge, MHC variability and predator avoidance in a passerine bird. Behavioral Ecology. doi: 10.1093/beheco/arv077

Gil-Jiménez, E., Villamuelas, M., Serrano, E., Delibes, M., Fernández, N. 2015 Fecal Nitrogen Concentration as a Nutritional Quality Indicator for European Rabbit Ecological Studies. Plos One, 10 (4), e0125190.


Martín, B., Onrubia, A., Ferrer, M. 2014. Effects of climate change on the migratory behavior of the common buzzard Buteo buteo. Climate Research 60: 187 – 197.

Ferrer, M., Belliure, J., Minguez, E., Casado, E., Bildstein, K. 2014. Heat loss and site-dependent fecundity in chinstrap penguins (Pygoscelis antarctica). Polar Biology 37: 1031 – 1039.

Yáñez, B., Muñoz, A.R., Bildstein, K., Newton, I., Toxopeus, A.G., Ferrer, M. 2014. Individual variation in the over-summering areas of immature Short-toed Snake Eagles Circaetus gallicus. Acta Ornithologica 49: 137 – 141.

Urios, V., Donat-Torres, M.P., Bechard, M., Ferrer, M. 2014. Movements of a juvenile Crowned Eagle (Harpyhaliaetus coronatus) tracked by satellite telemetry in central Argentina. Journal of Biological Research (Greece) 21:  12.

Ferrer, M., Newton, I., Muriel, R., Báguena G., Bustamante, J., Martini, M., Morandini, V. 2014. Using manipulation of density-dependent fecundity to recover an endangered species: The Bearded Vulture Gypaetus barbatus as an example. Journal of Applied Ecology 51: 1255 – 1263.

Canal D; Serrano D; Potti J. 2014. Exploring Heterozygosity-Survival Correlations in a Wild Songbird Population: Contrasting Effects between Juvenile and Adult Stages. PLoS ONE 9(8): e105020

Potti J; Canal D; Camacho C. 2014. Ontogenetic variation in the plumage colour of female European Pied flycatchers Fidecula hypoleuca. Ibis. doi: 10.1111/ibi.12175.


Martín, B., Ferrer, M. 2013. Assessing biodiversity distribution using diurnal raptors in Andalusia, southern Spain. Ardeola 60: 15 – 28.

Gangoso, L., López-López, P., Grande, J.M., Mellone, U., Limiñana, R., Urios, V., Ferrer, M. 2013. Ecological Specialization to Fluctuating Resources Prevents Long-Distance Migratory Raptors from Becoming Sedentary on Islands. PLoS ONE 8: 4. e61615.

Soutullo, A., López-López, P., Cortés, G.D., Urios, V., Ferrer, M. 2013. Exploring juvenile golden eagles’ dispersal movements at two different temporal scales. Ethology Ecology and Evolution 25: 117 – 128.

Muriel, R., Schmidt, D., Calabuig, C.P., Patino-Martinez, J., Ferrer, M. 2013. Factors affecting plasma biochemistry parameters and physical condition of Osprey (Pandion haliaetus) nestlings. Journal of Ornithology 154: 619 – 632.

Yáñez, B., Muñoz, A.R., Ferrer, M. 2013. Invertebrates as prey of short-toed Snake-Eagles (Circaetus gallicus). Journal of Raptor Research 47: 320 – 323.

Ferrer, M., Belliure, J., Viñuela, J., Martin, B. 2013. Parental physiological condition and reproductive success in chinstrap penguins (Pygoscelis antarctica). Polar Biology 36: 529 – 535.

Ferrer, M., Newton, I., Muriel, R. 2013. Rescue of a small declining population of Spanish imperial eagles. Biological Conservation 159: 32 – 36.

Kuhn K; Schwenk K; Both C; Canal D; Johansson US; van der Mije S;Töpfer T; Päckert M. 2013. Differentiation in neutral and candidate genes in the pied flycatcher: using biological archives to track global climate change. Ecology and Evolution. doi: 10.1002/ece3.855.

Potti J; Canal D; Serrano D. 2013. Lifetime fitness and age-related female ornament signalling: evidence for survival and fecundity selection in the pied flycatcher. Journal of Evolutionary Biology 26:1445-1457.

Camacho C; Canal D; Potti J. 2013. Non-random dispersal drives phenotypic divergence within a bird population. Ecology and Evolution. doi: 10.1002/ece3.563.


De Lucas, M., Ferrer, M., Janss, G.F.E. 2012. Using wind tunnels to predict bird mortality in wind farms: the case of Griffon vultures. PloS ONE 7: e48092

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

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

Sarasola JH; Canal D; Solaro C; Galmes MA; Zanón-Martínez JJ; Negro JJ. 2012. Cross-species amplification of seventeen polymorphic microsatellite loci in the endangered crowned eagle (Harpyhaliaetus coronatus). Molecular Ecology Resources. 12: 779-781.

Canal D; Jovani R; Potti J. 2012. Male decisions or female accessibility? Spatiotemporal patterns of extra pair paternity in a songbird. Behavioral Ecology. 23: 1146-1153.

Canal D; Jovani R; Potti J. 2012. Multiple mating opportunities boost protandry in a pied flycatcher population. Behavioral Ecology and Sociobiology. 66: 67-76.


Ferrer, M., Bildstein, K., Penteriani, V., Casado, E., de Lucas, M. 2011 Why Birds with Deferred Sexual Maturity are Sedentary on Islands: a systematic review. PloS ONE 6: e22056

Penteriani, V., Ferrer, M., Delgado, M.M. 2011. Floater strategies and dynamics in birds, and their importance in conservation biology: Towards an understanding of nonbreeders in avian populations. Animal Conservation 14: 233 – 241.

Muriel, R., Ferrer, M., Casado, E., Madero, A., Calabuig, C.P. 2011. Settlement and successful breeding of reintroduced Spanish Imperial Eagles Aquila adalberti in the province of Cadiz (Spain). Ardeola 58: 323 – 333.

Calabuig, C.P., Green, A.J., Ferrer, M., Muriel, R., Moreira, H. 2011. Sexual size dimorphism and sex determination by morphometric measurements in the Coscoroba Swan. Studies on Neotropical Fauna and Environment 46: 177 – 184.

López-López, P., Ferrer, M., Madero, A., Casado, E., McGrady, M. 2011. Solving man-induced large-scale conservation problems: The Spanish Imperial Eagle and power lines. PLoS ONE 6: e17196

Mellone, U., Yáez, B., Limiñana, R., Muñoz, A.R., Pavón, D., González, J.M., Urios, V., Ferrer, M. 2011. Summer staging areas of non-breeding Short-toed Snake Eagles Circaetus gallicus. Bird Study 58: 516 – 521.

Potti J; Canal D. 2011. Heritability and genetic correlation between the sexes in a songbird sexual ornament. Heredity. 106: 945-954.

Canal D; Potti J; Davila JA .2011. Male phenotype predicts extra-pair paternity in pied flycatchers. Behaviour. 148: 691-712.


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

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

Calabuig, C.P., Ferrer, M., Muriel, R. 2010. Blood chemistry of wild brazilian coscoroba swans during molt. Journal of Wildlife Diseases 46: 591 – 595.

Muriel, R., Ferrer, M., Casado, E., Calabuig, C.P. 2010. First successful breeding of reintroduced Ospreys Pandion haliaetus in mainland Spain. Ardeola 57: 175 – 180.

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

Calabuig, C.P., Ferrer, M., Muriel, R., Tilgar, V. 2010. Plasma alkaline phosphatase as a sensitive indicator of age and skeletal development in wild coscoroba swans. Wildlife Research 37: 504 – 511.

Canal D; Alcaide M; Anmarkrud JA; Potti J. 2010. Towards the simplification of MHC typing protocols: targeting classical MHC class II genes in a passerine, the pied flycatcher Ficedula hypoleuca. BMC Research Notes 3: 236.


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

Balbontín, J., Ferrer, M. 2009. Movements of juvenile Bonelli’s eagles Aquila fasciata during dispersal. 2009. Bird Study 56: 86 – 95.

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

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

Canal D; Dávila JA; de Nova PJG; Ferrero ME; Potti J. 2009. Polymorphic microsatellite markers isolated from a southern European population of pied flycatchers (Ficedula hypoleuca iberiae). Molecular Ecology Resoures. 9: 1375 – 1379. 


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

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

Balbontín, J., Ferrer, M. 2008. Density-dependence by habitat heterogeneity: Individual quality versus territory quality. Oikos 117: 1111 – 1114.

Penteriani, V., Otalora, F., Ferrer, M. 2008. Floater mortality within settlement areas can explain the Allee effect in breeding populations. Ecological Modelling 213: 98 – 104.

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

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

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


Soutullo, A., Cadahía, L., Urios, V., Ferrer, M., Negro, J.J. 2007. Accuracy of lightweight satellite telemetry: A case study in the Iberian Peninsula. Journal of Wildlife Management 71: 1010 – 1015.

Ferrer, M., Negro, J.J., Casado, E., Muriel, R., Madero, A. 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., Penteriani, V. 2007. Supplementary feeding and the population dynamic of the Spanish Imperial Eagle. Ardeola 54: 359 – 363.

Urios, V., Soutullo, A., López-López, P., Cadahía, L., Limiñana, R., Ferrer, M. 2007. The first case of successful breeding of a Golden Eagle Aguila chrysaetos tracked from birth by satellite telemetry. Acta Ornithologica 42: 205 – 209.


M Edvardsson; D Canal. 2006. The effects of copulation duration in the bruchid beetle Callosobruchus maculatus. Behavioral Ecology. 17: 430 – 434. 

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

Penteriani, V., Fortuna, M.A., Melián, C.J., Otalora, F., Ferrer, M. 2006. Can prey behaviour induce spatially synchronic aggregation of solitary predators? Oikos 113: 497 – 505.

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

Muriel, R., Ferrer, M., Casado, E., Schmidt, D. 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., Otalora, F., Ferrer, M. 2006. Floater dynamics can explain positive patterns of density-dependent fecundity in animal populations. The American Naturalist 168: 697 – 703.

Soutullo, A., Urios, V., Ferrer, M. 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.

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

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


De Lucas, M., Janss, G.F.E., Ferrer, M. 2005. A bird and small mammal BACI and IG design studies in a wind farm in Malpica (Spain). Biodiversity and Conservation 14: 3289 – 3303.

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

Penteriani, V., Sergio, F., Delgado, M.M., Gallardo, M., Ferrer, M. 2005. Biases in population diet studies due to sampling in heterogeneous environments: A case study with the Eagle Owl. Journal of Field Ornithology 76: 237 – 244.

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

Penteriani, V., Otalora, F., Sergio, F., Ferrer, M. 2005. Environmental stochasticity in dispersal areas can explain the ‘mysterious’ disappearance of breeding populations. Proceedings of the Royal Society B: Biological Sciences 272: 1265 – 1269.

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

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

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

Pain, D.J., Meharg, A.A., Ferrer, M., Taggart, M., Penteriani, V. 2005. Lead concentrations in bones and feathers of the globally threatened Spanish Imperial Eagle. Biological Conservation 121: 603 – 610.


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

Ontiveros, D., Real, J., Balbontín, J., Carrete, M., Ferreiro, E., Ferrer, M., Mañosa, S., Pleguezuelos, J.M., Sánchez-Zapata, J.A. 2004. Conservation biology of the Bonelli’s Eagle in Spain: research and management. Ardeola 51: 461 – 470.

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

Sergio, F., Marchesi, L., Pedrini, P., Ferrer, M., Penteriani, V. 2004. Electrocution alters the distribution and density of a top predator, the Eagle Owl Bubo bubo. Journal of Applied Ecology 41: 836 – 845.

Penteriani, V., Delgado, M.M., Gallardo, M., Ferrer, M. 2004. Spatial heterogeneity and structure of bird populations: A case example with the Eagle Owl. Population Ecology 46: 185 – 192.

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

Penteriani, V., Ferrer, M. 2004. Unpaired female birds use sex to attract already paired males: “La donna è mobile qual piuma al vento”. Ethology Ecology and Evolution 16: 91 – 95.


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

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

Penteriani, V., Viñuela, J., Belliure, J., Bustamante, J., Ferrer, M. 2003. Causal and functional correlates of brood amalgamation in the chinstrap penguin Pygoscelis antarctica: Parental decision and adult aggressiveness. Polar Biology 26: 538 – 544.

Alonso-Alvarez, C., Ferrer, M., Viñuela, J., Amat, J.A. 2003. Plasma chemistry of the chinstrap penguin Pygoscelis antarctica during fasting periods: A case of poor adaptation to food deprivation? Polar Biology 26: 14 – 19.

Penteriani, V., Balbontín, J., Ferrer, M. 2003. Simultaneous effects of age and territory quality on fecundity in Bonelli’s Eagle Hieraaetus fasciatus. Ibis 145: E77 – E82.

Ferrer, M., Penteriani, V., Balbontín, J., Pandolfi, M. 2003. The proportion of immature breeders as a reliable early warning signal of population decline: Evidence from the Spanish Imperial Eagle in Doñana. Biological Conservation 114: 463 – 466.

Penteriani, V., Alonso-Alvarez, C., Ferrer, M. 2003. Time and habitat heterogeneity constrain the opportunity for sexual selection during mating. Ethology Ecology and Evolution 15: 295 – 298.

Balbontín, J., Penteriani, V., Ferrer, M. 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.

Martínez, J.M., Martínez, J.E., Zuberogoitia, I., García, J.T., Carbonell, R., de Lucas, M., Díaz, M. 2003. La evaluación de impacto ambiental sobre las poblaciones de aves rapaces: problemas de ejecución y posibles soluciones. Ardeola 50: 85-102

Martínez, J.M., Martínez, J.E., Zuberogoitia, I., García, J.T., Carbonell, R., de Lucas, M., Díaz, M. 2003. Problemas de ejecución de los estudios y evaluaciones de impacto ambiental sobre las a7ves. Ardeola 50: 301 – 306.


Alonso-Alvarez, C., Velando, A., Ferrer, M., Veira, J.A.R. 2002. Changes in plasma biochemistry and body mass during incubation in the Yellow-legged Gull. Waterbirds 25: 253 – 258.

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

Casado, E., Balbontín, J., Ferrer, M. 2002. Plasma chemistry in booted eagle (Hieraaetus pennatus) during breeding season. Comparative Biochemistry and Physiology – A Molecular and Integrative Physiology 131: 233 – 241.

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

Alonso-Alvarez, C., Ferrer, M., Figuerola, J., Veira, J.A.R., Estepa, J., Torres, L.M. 2002. The effects of testosterone manipulation on the body condition of captive male yellow-legged gulls. Comparative Biochemistry and Physiology – A Molecular and Integrative Physiology 131: 293 – 303.

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


Alonso-Alvarez, C., Ferrer, M. 2001. A biochemical study of fasting, subfeeding, and recovery processes in yellow-legged gulls. Physiological and Biochemical Zoology 74: 703 – 713.

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

Mínguez, E., Belliure, J., Ferrer, M. 2001. Bill size in relation to position in the colony in the chinstrap penguin. Waterbirds 24: 34 – 38.

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


Janss, G.F.E., Ferrer, M. 2000. Common crane and great bustard collision with power lines: Collision rate and risk exposure. Wildlife Society Bulletin 28: 675 – 680.

Suárez, S., Balbontín, J., Ferrer, M. 2000. Nesting habitat selection by booted eagles Hieraaetus pennatus and implications for management. Journal of Applied Ecology 37: 215 – 223.


Hernández, L.M., Gómara, B., Fernández, M., Jiménez, B., González, M.J., Baos, R., Hiraldo, F., Ferrer, M., Benito, V., Suñer, M.A., Devesa, V., Muñoz, O., Montoro, O. 1999. Accumulation of heavy metals and As in wetland birds in the area around Donana National Park affected by the Aznalcollar toxic spill. Science of the Total Environment 242: 293 – 308.

Belliure, J., Carrascal, L.M., Mínguez, E., Ferrer, M. 1999. Limited effects of egg size on chick growth in the Chinstrap Penguin Pygoscelis antarctica. Polar Biology 80 – 83.

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

Ferrer, M. 1999. Raptor in-hand identification guide, a commentary. Journal of Raptor Research 33: 237 – 238.

Grimalt, J.O., Ferrer, M., MacPherson, E. 1999. The mine tailing accident in Aznalcollar. Science of the Total Environment 242: 3 – 11.

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

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


Moreno, J., Viñuela, J., Belliure, J., Ferrer, M. 1998. Effect of brood size on growth in the Chinstrap Penguin: A field experiment. Journal of Field Ornithology 69: 269 – 275.

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

Janss, G.F.E., Ferrer, M. 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., Ferrer, M. 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., Harte, M. 1997. Habitat selection by immature Spanish Imperial Eagles during the dispersal period. Journal of Applied Ecology 34: 1359 – 1364.

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


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

Viñuela, J., Moreno, J., Carrascal, L.M., Sanz, J.J., Amat, J.A., Ferrer, M., Belliure, J., Cuervo, J.J. 1996. The effect of hatching date on parental care, chick growth, and chick mortality in the Chinstrap Penguin Pygoscelis antarctica. Journal of Zoology 240: 51 – 58.


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

Negro, J.J., Ferrer, M. 1995. Mitigating measures to reduce electrocution of birds in power lines: a comment on Bevanger’s review. Ibis 137: 534 – 536.

Viñuela, J., Amat, J.A., Ferrer, M. 1995. Nest defence of nesting Chinstrap penguins (Pygoscelis antarctica) against intruders. Ethology 99: 323 – 331.


Ferrer, M., Amat, J.A., Viñuela, J. 1994. Daily variations of blood chemistry values in the Chinstrap Penguin (Pygoscelis antarctica) during the Antarctic summer. Comparative Biochemistry and Physiology, Part A 107: 81 – 84.

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


Ferrer, M. 1993. Blood chemistry studies in birds: Some applications to ecological problems. Trends in Comparative Biochemistry and Physiology 1: 1031 – 1044.

Aguilera, E., Moreno, J., Ferrer, M. 1993. Blood chemistry values in three Pygoscelis penguins. Comparative Biochemistry and Physiology, Part A: Physiology 105:  471 – 473.

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

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

Ferrer, M. 1993. Ontogeny of dispersal distances in young Spanish imperial eagles. Behavioral Ecology and Sociobiology 32: 259 – 263.

Ferrer, M. 1993. Reduction in hunting success and settlement strategies in young Spanish imperial eagles. Animal Behaviour 45: 406 – 408.

Amat, J.A., Viñuela, J., Ferrer, M. 1993. Sexing Chinstrap Penguins (Pygoscelis antarctica) by morphological measurements. Colonial Waterbirds 16: 213 – 215.

Ferrer, M. 1993. Wind-influenced juvenile dispersal of Spanish Imperial Eagles. Ornis Scandinavica 24: 330 – 332.


Ferrer, M., Negro, J.J. 1992. Electric power lines and bird conservation in Spain. Ardeola 39: 23 – 27.

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

Ferrer, M. 1992 Natal dispersal in relation to nutritional condition in Spanish Imperial Eagles. Ornis Scandinavica 23: 104 – 106.

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

Ferrer, M., de le Court, C. 1992. Sex identification in the Spanish imperial Eagle. Journal of Field Ornithology 63: 359 – 364.


Viñuela, J., Ferrer, M., Recio, F. 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: Physiology 99: 49 – 54.

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

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


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

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

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

Ferrer, M., Calderón, J. 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.


Negro, J.J., Ferrer, M., Santos, C., Regidor, S. 1989. Eficacia de dos métodos para prevenir electrocuciones de aves en tendidos eléctricos. Ardeola 36: 201 – 206.


García-Rodríguez, T., Ferrer, M., Recio, F., Castroviejo, J. 1987. Circadian rhythms of determined blood chemistry values in Buzzards and Eagle Owls. Comparative Biochemistry and Physiology – Part A: Physiology 88: 663 – 669.

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

García-Rodríguez, T., Ferrer, M., Carrillo, J.C., Castroviejo, J. 1987. Metabolic responses of Buteo buteo to long-term fasting and refeeding. Comparative Biochemistry and Physiology — Part A: Physiology 87: 381 – 386.

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