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Braz. J. Biol., 68(2): 315-320, 2008 315 The size of prey consumed has been considered an
 

Summary: Braz. J. Biol., 68(2): 315-320, 2008 315
The size of prey consumed has been considered an
important resource dimension in reptiles and especially
in amphibians (Toft, 1985). In general, the size of con-
sumers is correlated with the size of their prey (Lima and
Magnusson, 1998; Shine et al., 2002; Vitt and Caldwell,
1994), which may have important ecological implications
(Roughgarden, 1972). For instance, in Anolis lizards,
larger individuals within a population tend to consume
larger prey so that overlap among different sized individ-
uals may be little (Roughgarden, 1972; Schoener, 1968).
Such variation at the individual level is a prevalent phe-
nomenon in natural populations (Bolnick et al., 2003)
Gluttonous predators: how to estimate prey
size when there are too many prey
Araújo, MS.a
*,Pinheiro, A.b
and Reis, SF.a
a
Departamento de Parasitologia, Instituto de Biologia, Universidade Estadual de Campinas ­ UNICAMP,

  

Source: Araújo, Márcio S. - Marine Sciences Program, Department of Biological Sciences, Florida International University

 

Collections: Environmental Sciences and Ecology; Biology and Medicine