Abstract

SAVAGE, Jay M. An Extraordinary New Toad (Bufo) ttom Costa Rica. Rev. biol. trop [online]. 2002, vol.50, n.2, pp.767-781. ISSN 0034-7744.

A new species of toad, Bufo periglenes, is described from the Lower Montane Rainforest zone of the Cordillera de Tilarán on the divide between Puntarenas and AlajueIa provinces, Costa Rica. The new form exhibits a combination of extremely bright coloration and marked sexual dichromism. Males are solid orange, females greenish to black with scarlet spots. The species lacks a tympanum and columella and is voiceless. Tadpoles are described. Relationships and the role of sexual dichromism are discussed