A fisherman’s tale: activity, habitat use and the first evidence of lingual lure behavior in a South American snake
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Literature data suggests that Thamnodynastes strigatus (Serpentes, Dipsadidae) is a snake that actively forages for anurans near waterbodies, using several microhabitats for this activity (e.g., shrubs, soil, and water). However, herein we present dissonant data previously known to the species, both concerning type of prey and foraging strategy. A total of 72 observations were performed exclusively at night, when snakes were in vegetation near streams in 93% of the cases. Among these observations, 41 were active snakes, and most of them (97%) were in an ambush position on the vegetation, peering at fishes. On two occasions, the snakes used a lingual lure behavior in order to attract fishes. This is only the sixth species in which this behavior has been observed, and the first in South America. Therefore, we provide additional data on T. strigatus habitat activity and habitat use, as well as unpublished data on ambush and lingual lure behavior for the Neotropical genus Thamnodynastes
Mario-da-Rosa C, Abegg AD, Malta-Borges L, Righi AF, Bernarde PS, Cechin SZ, et al. A fisherman’s tale: activity, habitat use and the first evidence of lingual lure behavior in a South American snake. Salamandra. 2020 Feb;56(1):39-47
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