Question: What kind of snake has a yellow band around its neck?
Disambiguated questions and answers: question: What species of snake has a yellow band around its neck?
What North American subspecies of snake has a yellow band around its neck?
answer: Diadophis punctatus
ringneck snake
Ring-necked snake
Northern ringneck snake
Diadophis punctatus edwardsii
Natural Questions answer: colubrid snake (from the Wikipedia article "Ring-necked snake")