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Provedor de dados:  Zoologia
País:  Brazil
Título:  Ecology of Mabuya agilis (Raddi) (Lacertilia, Scincidae) at the restinga of Grumari, Rio de Janeiro, southeastern Brazil
Autores:  Vrcibradic,Davor
Rocha,Carlos Frederico Duarte
Data:  2002-12-01
Ano:  2002
Palavras-chave:  Mabuya agilis
Lizard
Thermal ecology
Diet
Reproductive traits
Restinga habitat
Southeastern Brazil
Resumo:  Some aspects of the ecology of the skink Mabuya agilis (Raddi, 1823) at the restinga habitat of Grumari, in Rio de Janeiro, Brazil are studied. Most of the lizards were first sighted on the ground, though a few were using perches (mainly cacti) up to 30 cm high. Mean body temperature in activity was 33.1 ± 2.4ºC and was significantly correlated to air temperature. There was sexual dimorphism in size (snout-vent length - SVL), with females growing larger than males. Frequency of broken tails was high overall (83%) and did not differ between sexes. Females and males are sexually mature at 49 mm and 47 mm SVL, respectively. Brood size averaged 3.2 ± 1.0 (range 1-5) and was positively and significantly related to female SVL (r = 0.65, p = 0.001). Relative clutch mass (RCM) of seven gravid females averaged 0.250 ± 0.042, being relatively low compared to those of other congeners. The diet of M. agilis was composed basically of arthropods, with relatively large and soft-bodied arthropods such as spiders, caterpillars and homopterans being the most important prey. The results of our work confirm and expand the knowledge of ecological tendencies previously observed for M. agilis in other areas.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752002000600002
Editor:  Sociedade Brasileira de Zoologia
Relação:  10.1590/S0101-81752002000600002
Formato:  text/html
Fonte:  Revista Brasileira de Zoologia v.19 suppl.2 2002
Direitos:  info:eu-repo/semantics/openAccess
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