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1 September 2011 Ontogenetic Shift in Height of Sleeping Perches of Cope's Vine Snake, Oxybelis brevirostris
Chad E. Montgomery, Karen R. Lips, Julie M. Ray
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Abstract

In Omar Torrijos National Park, Coclé Province, Panama, we visually located Cope's vine snakes Oxybelis brevirostris at night along trails and streams. Of 203 O. brevirostris located, we documented height of perch for 185 individuals during March 2005–March 2007. All sleeping snakes encountered were on vegetation rather than on the ground. There was no significant difference in height of perch between males (170.1 cm) and females (148.7 cm). There, however, was a significant positive relationship between snout–vent length and height of perch. Longer snakes perched on branches significantly more often than small snakes, which tended to perch on herbaceous leaves.

Chad E. Montgomery, Karen R. Lips, and Julie M. Ray "Ontogenetic Shift in Height of Sleeping Perches of Cope's Vine Snake, Oxybelis brevirostris," The Southwestern Naturalist 56(3), 358-362, (1 September 2011). https://doi.org/10.1894/F08-RW-02.1
Received: 28 April 2010; Accepted: 1 January 2011; Published: 1 September 2011
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