2007
DOI: 10.1590/s0101-81752007000300025
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Dieta e uso de habitat da jararaca-do-brejo, Mastigodryas bifossatus Raddi (Serpentes, Colubridade) em domínio subtropical do Brasil

Abstract: A serpente Mastigodryas bifossatus Raddi, 1820 é um grande colubrídeo neotropical que habita áreas abertas na América do Sul. Sua dieta é composta principalmente por anfíbios, mas inclui outros itens como mamíferos e lagartos. A dissecção de 224 espécimes desta serpente, provenientes dos estados do Rio Grande do Sul, Santa Catarina e Paraná, preservados em coleções herpetológicas do Brasil e um estudo de campo entre 1996 e 1998, fornecem informações sobre os hábitos alimentares e uso de habitat dessa serpente … Show more

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Cited by 14 publications
(13 citation statements)
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References 12 publications
(10 reference statements)
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“…This hypothesis was corroborated by LEITE et al (2007), who did not observe any difference in prey size ingested by male and female M. bifossatus in subtropical Brazil.…”
Section: Sexual Dimorphismsupporting
confidence: 54%
“…This hypothesis was corroborated by LEITE et al (2007), who did not observe any difference in prey size ingested by male and female M. bifossatus in subtropical Brazil.…”
Section: Sexual Dimorphismsupporting
confidence: 54%
“…Most prey were consumed head-first, a trend observed in most snakes (MUSHINSKY 1987, GREENE 1997, RUFFATO et al 2003, AGUIAR & DI-BERNARDO 2004, ALBUQUERQUE et al 2007, LEITE et al 2007). This behavior reduces time and effort spent swallowing, reducing the resistance imposed by the limbs.…”
Section: Discussionmentioning
confidence: 96%
“…The frequency of specimens with food items found in studies of snake diets is usually low, varying between 14% and 30% (RODRIGUEZ-ROBLES & GREENE 1999, SHEWCHUK & AUSTIN 2001, CLARK 2002, RUFFATO et al 2003, GREGORY & IZAAC 2004, HARTMANN et al 2005, BALESTRIN et al 2007, LEITE et al 2007, PRUDENTE et al 2007). This result may be related to the time of the year in which the analyzed specimens were collected, as suggested by GREGORY & ISAAC (2004).…”
Section: Discussionmentioning
confidence: 99%