Centro para el Estudio y Conservación de las Aves Rapaces en Argentina

Land-use changes may explain the recent range expansion of the Black-shouldered Kite Elanus caeruleus in southern Europe.

BALBONTIN, J. H., J. J. NEGRO, J. H. SARASOLA, J. J. FERRERO & D. RIVERA. 2008. Ibis 150:707-716. » Descargar PDF

Comparison of food habits and prey selection of the white-tailed kite, Elanus leucurus, between natural and disturbed areas in central Argentina.

SARASOLA, J. H., SANTILLÁN, M. A. & GALMES, M. A. 2007. Studies on Neotropical Fauna and Environment 42:85-91. » Descargar PDF

Ecología y conservación del aguilucho langostero (Buteo swainsoni) en Argentina.

SARASOLA, J. H., SANTILLÁN, M. A. & GALMES, M. A. 2007. Hornero 22:173-184. » Descargar PDF

Deceptive plumage signals in birds: manipulation of predators or prey?

NEGRO, J. J., G. R. BORTOLOTTI & J. H. SARASOLA. 2007. Biological Journal of the Linnean Society 90:467-477. » Descargar PDF

Risk of feather damage explain fault bar occurrence in a migrant hawk, the Swainson’s hawk Buteo swainsoni

SARASOLA, J.H. & R. JOVANI. 2006. Risk of feather damage explain fault bar occurrence in a migrant hawk, the Swainson’s hawk Buteo swainsoni. Journal of Avian Biology 37: 29-35. Abstract: Fault bars are common stress-induced feather abnormalities that could produce...

Function and occurrence of facial flushing in birds

NEGRO, J.J., J.H. SARASOLA, F. FARIÑAS & I. ZORILLA. 2006. Function and occurrence of facial flushing in birds. Comparative Biochemistry and Physiology – Part A 143 (1): 78-84. Elsevier Abstract: So far overlooked as a pigment involved in visual communication, the haemoglobin...

Phylogeography of the Galápagos hawk: a recent arrival to the Galápagos Islands

BOLLMER, J., R. T. KIMBALL, N. K. WHITEMAN, J.H. SARASOLA & P.G. PARKER. 2006. Phylogeography of the Galápagos hawk: a recent arrival to the Galápagos Islands. Molecular Phylogenetics and Evolution 39(1): 237-247. Abstract: Galápagos hawks (Buteo galapagoensis) are one of the...

Role of alien tree stands on current distribution and social behavior of Swainson’s hawks Buteo swainsoni in the Argentine pampas

SARASOLA, J.H. & J.J. NEGRO. 2006. Role of alien tree stands on current distribution and social behavior of Swainson’s hawks Buteo swainsoni in the Argentine pampas. Journal of Biogeography 33:1096-1101. Abstract: The Argentine Pampas was extensively and abruptly...

Past and current evidence of persecution of the endangered Crowned Eagle Harpyhaliaetus coronatus in Argentina

SARASOLA, J. H. & J. J. MACEDA. 2006. Past and current evidence of persecution of the endangered Crowned Eagle Harpyhaliaetus coronatus in Argentina. Oryx 40:347-350. Abstract: The crowned eagle Harpyhaliaetus coronatus is a large Neotropical eagle categorized as Endangered...

A re-evaluation of evidences raises questions about the fasting migration hyphotesis for Swainson’s hawk (Buteo swainsoni)

BECHARD, M.J., J. H. SARASOLA & WOODBRIDGE, B. 2006. A re-evaluation of evidences raises questions about the fasting migration hyphotesis for Swainson’s hawk (Buteo swainsoni). Hornero 21:65-72. Abstract: We examined the fasting migration hypothesis for Swainson’s...

Feather molt by Swainson’s hawks (Buteo swainsoni) on the austral grounds in Argentina

BECHARD, M. J. & C. S. WEIDENSAUL. 2005. Feather molt by Swainson’s hawks (Buteo swainsoni) on the austral grounds in Argentina. Ornitología Neotropical 16: 267–270. Link descarga: » PDF

Relationships between winter and spring weather and Northern Goshawk (Accipiter gentilis) reproduction in Northern Nevada

FAIRHURST, G. D. & M. J. BECHARD. 2005. Relationships between winter and spring weather and Northern Goshawk (Accipiter gentilis) reproduction in Northern Nevada. Journal of Raptor Research 39(3): 229-236. Abstract: Ecological factors, such as weather, play important roles in...

Changes in woody plant structure in fire-disturbed caldén forest of the Parque Luro Reserve, Argentina

SARASOLA, J.H., L.A. BRAGAGNOLO & R.A. SOSA. 2005. Changes in woody plant structure in fire-disturbed caldén forest of the Parque Luro Reserve, Argentina. Natural Areas Journal 25 (4): 374-380. Abstract: We analyzed differences in vertical plant structure and species...

Hailstorms as cause of mass mortality of Swainson’s hawks in their wintering grounds

SARASOLA, J.H., J.J. NEGRO, V. SALVADOR & J.J. MACEDA. 2005. Hailstorms as cause of mass mortality of Swainson’s hawks in their wintering grounds. Journal of Wildlife Diseases 41(3): 643-646. Abstract: We describe a mass mortality event of wintering Swainson’s...

Habitat use and social structure of an isolated population of guanacos (Lama guanicoe) in the Monte Desert, Argentina

SOSA, R.A., & SARASOLA, J.H. 2005. Habitat use and social structure of an isolated population of guanacos (Lama guanicoe) in the Monte Desert, Argentina. European Journal of Wildlife Research 51(3):207-209. Abstract: We studied abundance, habitat use and social structure of...

Hunting success of wintering Swainson’s hawks: environmental effects on timing and choice of foraging method

SARASOLA, J.H. & J.J. NEGRO. 2005. Hunting success of wintering Swainson’s hawks: environmental effects on timing and choice of foraging method. Journal of Zoology 83: 1353-1359. Abstract: We examined the predatory behavior of Swainson’s hawks (Buteo swainsoni...

Gender identification in the Swainson’s Hawk Buteo swainsoni using molecular procedures and discriminant function analysis.

SARASOLA, J.H. & J.J. NEGRO. 2004. Gender identification in the Swainson’s Hawk Buteo swainsoni using molecular procedures and discriminant function analysis. Journal of Raptor Research 38(4):357-361. Link descarga: » PDF

Morphometric measures of male and female Spot-winged falconet Spiziapteryx circumcinctus sexed using PCR amplification methods

BECHARD, M.J., J.H. SARASOLA & A.J. HELBIG. 2004. Morphometric measures of male and female Spot-winged falconet Spiziapteryx circumcinctus sexed using PCR amplification methods. In Raptors Worldwide [R. D. Chancellor and B. U. Meyburg, eds.] World Working Group on Birds of...

Do Eurasian Hobbies (Falco subbuteo) have «false eyes» on the nape?

NEGRO, J.J., J.M. GRANDE & J.H. SARASOLA. 2004. Do Eurasian Hobbies (Falco subbuteo) have «false eyes» on the nape? Journal of Raptor Research 38(3): 287-288. Abstract: We propose that the two whitish or creamy-colored spots on the nape of the Eurasian Hobby (Falc...

Primera cita del Burlisto Chico (Contopus cinereus cinereus) para las provincias de La Pampa y Buenos Aires, Argentina (Aves, Tyrannidae)

MACEDA, J.J., P. TEJERINA, A.R. CAMPERI & C.A. DARRIEU. 2004. Primera cita del Burlisto Chico (Contopus cinereus cinereus) para las provincias de La Pampa y Buenos Aires, Argentina (Aves, Tyrannidae). Physis (Buenos Aires) Sec. C 60 (138-139): 41-42. Link descarga: » PDF

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