2022
DOI: 10.17161/randa.v29i1.16026
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Living near water: Ecological observations on the Ecuador Sipo, Chironius grandisquamis, (Peters 1869) (Serpentes: Colubridae), in the Middle Magdalena River Valley, Colombia

Abstract: More than 40 species of snakes inhabit the humid forests of the Middle Magdalena River Basin of Colombia, yet studies on the basic aspects of snake ecology and natural history in this region are scarce. We searched for Ecuador Sipos (Chironius grandisquamis) during six years (2014–2019) of 6–24-day visual-encounter surveys by day and night in both rainy and dry periods. In 2,967 person-hours, we recorded 16 individuals, half during rainy and half during dry periods. Fourteen of the 16 encounters were in the ev… Show more

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“…Defensive behavior in Chironius grandisquamis.-Defense mechanisms that mitigate predation risk are seldom documented in snakes (Tozetti et al 2021). However, Chironius diamantina, C. flavolineatus, and C. grandisquamis were recently documented diving into streams and remaining underwater in order to evade predators (Fernandes and Hamdan 2014;Mascarenhas et al 2020;Rojas-Morales and Marín-Martínez 2022).…”
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confidence: 99%
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“…Defensive behavior in Chironius grandisquamis.-Defense mechanisms that mitigate predation risk are seldom documented in snakes (Tozetti et al 2021). However, Chironius diamantina, C. flavolineatus, and C. grandisquamis were recently documented diving into streams and remaining underwater in order to evade predators (Fernandes and Hamdan 2014;Mascarenhas et al 2020;Rojas-Morales and Marín-Martínez 2022).…”
mentioning
confidence: 99%
“…Rojas-Morales and Marín-Martínez (2022) noted that C. grandisquamis typically hunts its prey, mainly anurans, in streamside vegetation. Reported defensive behaviors include laterally flattening the body, diving, discharging cloacal contents, and attempting to bite when handled (Ray 2017;Rojas-Morales and Marín-Martínez 2022).…”
mentioning
confidence: 99%