What physical trait helps characterize the Plains hognose species (*H. nasicus*) during field identification?
Answer
Prominent keeled scales and heavy dark blotches.
The Plains species is distinguished by having prominent keeled scales and heavy dark blotches over a lighter background color, differentiating it slightly from its cousins.

#Videos
Are Hognose Snakes Venomous? - YouTube
Related Questions
What is the medical significance of the Plains hognose snake's venom to humans?What classification describes the venom-delivering teeth structure of Heterodon nasicus?What physical requirement makes successful venom injection less likely during a quick defensive strike by a hognose snake?What is the most convincing part of the Plains hognose snake's elaborate bluffing display?How are the typical localized bite symptoms from this mildly venomous snake generally gauged in severity?What is the primary evolutionary purpose of the hognose snake's venom potency?To which family of snakes does Heterodon nasicus belong?In which North American ecosystems is the Plains hognose snake most commonly found?Why is respectful observation of this species important for its survival in the wild, according to the text?What physical trait helps characterize the Plains hognose species (*H. nasicus*) during field identification?