Shreve's Keelback
Helicops pastazae Shreve, 1934
Also calledCulebra de agua de Pastaza (spa) · Колумбийская косоглазая змея (rus)
First described in: Shreve, B. NOTES ON ECUADORIAN SNAKES.
Helicops pastazae, also known commonly as Shreve's keelback and la culebra de agua de Pastaza in South American Spanish, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is native to northwestern South America.
Descriptions from checklists and floras indexed by GBIF
Diagnosis
Helicops pastazae can be distinguished from all other congeners, except H. hagmanni and H. yacu by the combination of having subcaudal keels and intergenials present. From H. hagmanni, it differs in having 72–117 subcaudal scales (versus 50–59 in H. hagmanni ). From H. yacu, it differs in having a semi-divided nasal scale (entire in H. yacu); ( for information on references, see Suppl. material 3).
Distribution and identification of the species in the genus Helicops Wagler, 1830 (Serpentes, Colubridae, Xenodontinae)
Distribution
Helicops pastazae is found in the northern part of Ecuador and the eastern part of Venezuela. There are no reports from Colombia (Fig. 2f).
Distribution and identification of the species in the genus Helicops Wagler, 1830 (Serpentes, Colubridae, Xenodontinae)
From Wikipedia (CC BY-SA), quoted section by section
Range & habitat
The preferred natural habitat of Helicops pastazae is freshwater wetlands in forest, at elevations of 200–900 m (660–2,950 ft).
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From the GBIF Backbone Taxonomy and occurrence records (GBIF.org), with Wikipedia and the Source Library. GBIF species 2457696.