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Leptodactylus syphax is a mid-sized frog that inhabits open rocky areas in central, southeastern and northeastern Brazil, besides southern Paraguay and eastern Bolivia. Here we reported an adult male from Parque Municipal Cachoeira do Bota Fora, Piripiri municipality, state of Piauí, northeastern Brazil, expanding the known distribution of Leptodactylus syphax ca. 320 km northwards.

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The presently known distribution of Leptodactylus natalensis is no longer restricted to the northern and central limits of the Atlantic forest morphoclimatic domain. After Borges-Nojosa encountered it in the Caatinga at the time of this work, during a fi eld expedition in the Parnaíba Delta in December 2007, we identifi ed and collected some individuals of L. natalensis on the Ilha das Canárias, Araioses, located in northern Maranhão state. This new record for Maranhão extends the distribution of L. natalensis to approximately 520km west of the Serra de Baturité, in the state of Ceará.