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THE WILSON JOURNAL OF ORNITHOLOGY • Vo/ 123, No. 4. December 2011 
males and 1 female, respectively) at Espirito 
Santo State and southern Bahia. Collar et al. 
(1992) considered the evidence of breeding from 
the size of the gonads is consistent with greater 
vocal activity in December in Espirito Santo 
State. Thus, given this evidence and the nest 
record reported here, we assume the species’ 
reproductive season probably occurs between 
August and January. 
The laying of only one egg is common in 
almost all medium-sized and large Cotingidae 
(Snow 2004b). However, it is known to be a 
typical feature of polygynous species but not 
monogamous taxa such as Carpomis (Snow 
1982). We assume the sole egg was the complete 
clutch, since after examination, we found a large 
embryo occupying between one third and half of 
the egg’s internal volume. Kirwan (2009) ob¬ 
served two Hedged young of Hooded Berryeater 
accompanying and soliciting food from at least 
one adult, suggesting a clutch size of two eggs. 
However, exhaustive observations of Hooded 
Berrycaters from the incubation period to the 
fledgling stage reveal that it lays only one egg per 
clutch, although a given breeding pair may rear up 
to 2-3 young during the entire breeding season 
(GNM. unpubl. data). The egg of the Black¬ 
headed Berryeater described here is similar in 
shape, size, and color to those of the Hooded 
Berryeater (von Ihering 1900; GNM, unpubl. 
data), being within the range previously described 
for the Cotingidae (Snow 2004b). 
ACKNOWLEDGMENTS 
We thank the Fundaq-ao Grupo Boticdrio dc Protecao * 
Natureza for providing financial support for field work in 
Bahia (project 0308/2005OA). The following also provided 
support and helped with loan of equipment. U. L Reinert 
A M. da Silveira. F. R. Bornschcin. A. L. Bomschein. and 
Thais Belmonte. We thank Cassiano Gatto and Uris Robert 
for help with field work. We also thank J. I Arcta and T P 
Valente for reviewing the manuscript and improving the 
English. RB-L was supported by grants from the Consclho 
Nacional de Desenvolvimento Cienu'fico e Tecnotdeico 
(CNPq/MCT; 132893/2009-6) and Coordenaqao de Aper- 
feiqoamento de Pessoal de Nivel Superior (CAPES), being 
currently supported by a doctoral fellowship from CNPu/ 
MCr (141823/2013-9). GNM was supported by a doctoral 
fellowship from CNPq/MCT (141149/2006-0). MRB is 
supported by a doctoral fellowship from the Programa de 
Keestruturaqao das Universidades Federais (REUNI) This 
manuscript was improved by the comments of C. E. Braun, 
cmy Kirwan, and an anonymous reviewer. 
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