Visual signaling in the semi-fossorial lizard pholidobolus montium (Gymnophthalmidae)

Franco Poma-Soto, Andrea E. Narváez, Andrés Romero-Carvajal

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2 Citas (Scopus)


It has been suggested that gymnophthalmids, like most semi-fossorial lacertoids, rely more in chemical cues to communicate, in comparison to other groups, like Iguanids, on which communication is mostly based on visual signaling. We present the first description of visual signaling in the Andean lizard Pholidobolus montium (Gymnophthalmidae) and a complete ethogram based on ex situ observations (34 different types of behaviors including positions and simple movements). Through the design of conspecific stimulus experiments, we were able to recognize leg-waving as a visual signal, as it is only displayed in presence of conspecifics or in presence of a mirror and was one of first and most frequent displays in this context. We also detected other visual displays like neck-arching and tail-undulation which may also be relevant as visual signals. Based on our results, we propose that visual signaling is also possible in semi-fossorial lizards; however, further studies regarding chemical signal recognition and color detection are required to confirm our hypothesis.

Idioma originalInglés
Número de artículo3022
EstadoPublicada - 21 oct. 2021

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© 2021 by the authors. Licensee MDPI, Basel, Switzerland.


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