Yellow bellies are usually not bad...
Cottonmouth belly (venomous):


Copperhead belly (venomous):

Coral snake belly (venomous):

Western diamondback belly (venomous):

Speckled kingsnake belly (non-venomous):

Yellow bellied water snake belly (non-venomous):

Yellow bellied racer belly (non-venomous):

Ring-necked snake belly (mildly venomous but completely harmless to people):
Cottonmouth belly (venomous):


Copperhead belly (venomous):

Coral snake belly (venomous):

Western diamondback belly (venomous):

Speckled kingsnake belly (non-venomous):

Yellow bellied water snake belly (non-venomous):

Yellow bellied racer belly (non-venomous):

Ring-necked snake belly (mildly venomous but completely harmless to people):

CM
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