Feeding habits of Enyalius perditus (Squamata, leiosauridae) from the Parque Estadual do Ibitipoca, Minas Gerais, Brazil

被引：15
|
作者：
de Sousa, Bernadete Maria [1 ]
Goncalves Cruz, Carlos Alberto [2 ]
机构：
[1] Univ Fed Juiz Fora, Inst Ciencias Biol, Dept Zool, BR-36036900 Juiz De Fora, MG, Brazil
[2] Museu Nacl UFRJ, Dept Vertebrados, BR-20940040 Rio De Janeiro, RJ, Brazil
来源：
IHERINGIA SERIE ZOOLOGIA | 2008年 / 98卷 / 02期
关键词：
Leiosauridae; Enyalius perditus; ecology; behavior; diet;
D O I：
10.1590/S0073-47212008000200015
中图分类号：
Q95 [动物学];
学科分类号：
071002 ;
摘要：
The present study was carried out to describe the diet, and its variations according to food availability, in Enyalius perditus Jackson, 1978 from Parque Estadual do lbitipoca, State of Minas Gerais. Brazil. Three areas were chosen in the forest fragments; pit falls and glue traps were used to capture lizards and their preys. Lizards (n=55) were dissected in order to analyze the stomach content. The Electivity Index showed that insect larvae were volumetrically important in the diet of E. perditus, while ants and woodlices where numerically important. The quantity of diet items have differed significantly between males and females, perhaps, as a consequence of the higher quantity of ants ingested by female lizards and larvae ingested by males lizards. Based upon alimentary behavior, the male lizards resemble the active forragers and the females sit and wait forragers.
引用
收藏
页码：260 / 265
页数：6
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