Predation on Southern Turnip-tailed geckos (Thecadactylus solimoensis) by a Spectacled Owl (Pulsatrix perspicillata)

Juan Daza, Lee Bension Price, Christopher Schalk, Aaron Bauer, A. Randall Borman, Julian Kerbis Peterhans


We report on the predation of Thecadactylus solimoensis (Squamata, Phyllodactylidae) by an owl, Pulsatrix perspicillata (Aves, Strigiformes). Examination of pellets collected from a P. perspicillata roost contained a partial left maxilla of a gecko. The maxilla contained the following traits, which confirmed the identification of T. solimoensis: the large size of the maxilla, at least 27 tooth loci, a thickened medial side of the maxillary palatal shelf, a horizontal shelf at the base of the facial process, and blade like posterior process that does not taper abruptly. This is the first report of a gecko in the genus Thecadactylus being preyed upon by an owl.

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Revista de la Asociación Herpetológica Argentina. ISSN en línea 1852-5768. Asociación Civil Herpetológica Argentina. Paz Soldán 5100. Piso 1 Dpto 8. Ciudad Autónoma de Buenos Aires.