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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  

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...

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...

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

SARASOLA, J.H., J.J. NEGRO & A. TRAVAINI. 2004. Nutritional condition and serum biochemistry for free-living Swainson’s Hawks wintering in Central Argentina. Journal of Comparative Biochemistry and Physiology 137(4):697-701.  Abstract: We assessed the nutritional...