330 
THE WILSON JOURNAL OF ORNITHOLOGY • Vol. 123. No. 2. June 2011 
from the Programa de Coordena?ao e Aperfei?oamento de 
Pessoal do Ensino Superior (CAPES) and the Sao Paulo 
Research Foundation (FAPESP). Ben Olewinc IV and the 
American Birding Association’s Birder’s Exchange program 
donated optical equipment. We thank the following Museums 
and respective staff that graciously received us: Natural 
History Museum at Trine. United Kingdom; Museum filr 
Naturkundc Berlin; Museu National, Rio de Janeiro: Institute 
de Cicneias Naturales. Coleccton Nacional. Colombia; 
Coleccion Omitol6gica Phelps. Venezuela; and Museu de 
La Estacion Biologica de Rancho Grande, Venezuela. The 
Instituto de Protefao da Mata Atlantica. Museu de Zoologia 
da l niversidade de Sao Paulo, Usina Serra Grande. Usina 
Caete, and Usina Trapiche provided much appreciated 
logistical support. Ildiko Szabo, Fabio Raposo do Amaral, 
and Marco Granzinolli helped with surveys and contributed 
to assessing characters in the field. James J. Roper assisted 
with statistical analysis and English review. Wc thank Storrs 
L. Olson and Douglas Stotz for critically reviewing the 
manuscript. 
LITERATURE CITED 
BirdLife International. 2000. Threatened birds of the 
world. Lynx Editions and Birdlife International, 
Barcelona. Spain and Cambridge, United Kingdom. 
Blake, E. R. 1977. Manual of neotropical birds. Volume 1 . 
Chicago University Press, Chicago, Illinois, USA. 
Brown, L. and D. Amadon. 1968. Eagles, hawks and 
falcons ol the world. Volume I. Country Life Books, 
Feltham. London, United Kingdom. 
Clark, W. 2004. Wave moult of the primurics in aceipiind 
raptors, and its Use in ageing. Pages 795-804 in 
Raptors worldwide (R. Chancellor and B. Meyburg 
Editors). Proceedings of the Sixth World Conference 
on Birds of Prey and Owls. Budapest. Hungary. 
Edel.stam. C 1984. Patterns of moult in large birds of 
prey. Annales Fenniei Zoologici 21:271-276. 
Ferguson-Lees, J. and D. A. Christie. 2001. Raptors of 
the world Houghton Mifflin, New York USA 
FORRESTER, B. C. 1993. Birding Brazil-a check-list and 
site guide. John Geddes, Irvine. United Kinedom. 
Foster. M. S 1971. Plumage and behavior of a juvenile 
Grav-headed Kite. Auk 88:163-166. 
Grossman, M. L. and J. Hamlet. 1964. Birds of prcv of 
the world. Clarkson N. Potter Inc.. New York. USA. 
Hellmayr. C. E. and B. Conover. 1949. Catalogue of 
birds of the Americas and the adjacent islands Field 
Museum of Natural History. Zoology Series. Volume 
13. Publication 634. 
Pereira, G. a.. S. de M. DaNtas, and M. Periquito, 
2006. Possivel regisiro de Leptodon forbesi no Estndo 
de Pernambuco, Brasil. Rcvista Brasilcira dc Omito- 
logia 14:441-444, 
Pinto. O. M. and E. A. Camargo. 1961. Resultados 
omitoldgicos de quatro reccntes expedites do 
departamento do zoologia ao nordestc do Brasil, com 
a dcseriv'ao de seis novas subspecies. Arquivos de 
Zoologia, Sao Paulo 1 1 :193-284. 
Ribeiro, m. C.. j p. Metzger, a. C. Martensen. f. j 
Ponzoni, and M. M. Hirota. 2009. The Brazilian 
Atlantic Forest: how much is left, and how is the 
remaining forest distributed? Implications for conser¬ 
vation. Biological Conservation 142:1141-1153. 
Roda, S. A. and C J. Carlos. 2003. New records lor. mi 
poorly known birds of the Atlantic Forest m north-cv 
Brazil. Cotinga 20:17-20. 
Seipke, S. H.. A. M. Castano, and K. L. Bildstbs >Yi 7 
Spanish common names of raptors in Latin Arneriu 
Pages 229-256 In Neotropical raptors (K. L. BildSon. 
D. R. Barber, and A. Zimmerman, Editor,!. Hawk 
Mountain Sanctuary. Orwigsburg, Pennsylvania. D' 
Seipke, S. H.. F V. Denes. F. Pallinger. R. ThiktrouJ 
M. Thiollay. L. F. Silveira. and W S. Cure 
2011. Field identification of While-collared Kite 
Leplotion forbesi and similar species in northeast 
Brazil. Neotropical Birding 8:29-39. 
Sick, H. 1997. Omitologia Brasilcira. Nova Fronlcin. R» 
dc Janeiro, Brazil. 
Silveira, L. F., F. Olmos, and A. J. Long. 2003 Birds in 
Alluntic Forest fragments in North-east Brazil Cotuic.i 
20:32-46. 
Stotz, D.. J. Fitzpatrick. T. Parker. anpD. Moskoyiis. 
1996. Neotropical birds-ecologv and conscrvatKw. 
Chicago University Press. Chicago. Illinois. USA. 
Swann, H. K. 1922. A synopsis of Accipitres i. diurnal birds 
of prey). Wheldon and Wesley Ltd., London, United 
Kingdom. 
Swann. H. K. 1945. A monograph of the birds ol prey 
(Order Accipitres). Volume 2. Wheldon and Wesley 
Ltd., London, United Kingdom. 
Teixeira. D. M.. J. B. Nactnovic. and F. B Povn-u. 
1987a. Notes on some birds of north-eastern B ut 1 1 ’ 1 - 
Bulletin of the British Ornithologists' Club 107:151- 
157. 
Teixeira, D. m.. j. b. Nacinovic. and F. B. 
1987b. Sobre a redescoberta de Leptodon 
(Swann. 1922) no nordeste do Brasil. 14" Congm» 
Brasileiro de Zoologia. Juiz de Fora. Brazil- 1 JV 
Sociedade Brasilcira de Zoologia, Juiz de Fora, Brazil. 
Thiollay. J. M. 1994. Family Accipitridac. Pages 
in Handbook of the birds of the worid. Volume - 
World vultures to guineafowl (J. del Hoyo. A. EIh° T - 
und J. Sargatal. Editors). Lynx Editions. Bareeloo>- 
Spain. 
Thorstrom. R. 1997. A description of nests and behavi* 1 ’ 
the Gray-headed Kite. Wilson Bulletin 109:173-1" 
APPENDIX 
Specimens 
Leptodon forbesi = 2 . 
BRAZIL : “Pernambuco”— no specific bxra 
ity (NHM: I unsexed); Alagoas: Usina SimntM 
(MZUSP: 19 ); cited only (3): Serra Branca- 
Murici (MNRJ: 19 ; fide Teixeira et a 
1987a: 153); Sao Miguel dos Campos (N^ NRJ 
lo*. U?; fide Teixeira et al. 1987a: 153). 
Leptodon cayanensis =126. , 
No specific locality (NHM: 3 unsexed: M NK 
29 , 7 unsexed; ZMB: 2 unsexed). 
