Hypsiglena cf. chlorophaea "Alamos" undescribed species
near Álamos, Sonora, MexicoAugust 21, 2017
undescribed species (Hypsiglena cf. chlorophaea "Alamos")
Recent studies have determined that the nightsnakes in this area should be considered a distinct species, split out from Hypsiglena chlorophaea. However, the actual description of this new species has not yet occurred, so they are in a sort of taxonomical limbo for the moment.
near Álamos, Sonora, MexicoAugust 22, 2017
undescribed species (Hypsiglena cf. chlorophaea "Alamos")
The white nape is a feature apparently found only on this yet-to-be described species of nightsnake. However, it is not present on all individuals (such as the first one pictured above).
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