Marina M. de Santana,¹ João Pedro Souza-Alves,² Stephen F. Ferrari<sup>3

1</sup>Marina M. de Santana, Graduate Program in Ecology and Conservation, Universidade Federal de Sergipe, 49.100-000 São Cristóvão — SE, Brazil
²João Pedro Souza-Alves, Graduate Program in Zoology, Universidade Federal da Paraíba, João Pessoa and Department of Ecology, Universidade Federal de Sergipe, São Cristóvão, Brazil
³Stephen F. Ferrari, Department of Ecology, Universidade Federal de Sergipe, 49.100-000 São Cristóvão — SE, Brazil, E-mail: &lt; &gt;, (phone), (fax). ferrari@pq.cnpq.br