Which two species are most frequently called "chicken snake"?
Answer
Black Rat Snake or Gray Ratsnake
The common name "chicken snake" generally refers to the Black Rat Snake (*Pantherophis obsoletus* complex) or the Gray Ratsnake (*Pantherophis spiloides*), depending on the geographical location.

Related Questions
Which two species are most frequently called "chicken snake"?What is the typical length range for an average adult chicken snake encountered in the wild?What maximum length is frequently cited in official records for these rat snakes?What does an adult rat snake measuring five feet generally indicate?How do rat snakes primarily ascend structures like coops?In regions like Tennessee, which species is often the primary one referred to as the chicken snake?What does a shorter snake with a very substantial girth suggest?Compared to other snakes in the eastern US, how is the chicken snake generally characterized regarding mass?What allows rat snakes to reach the exceptional maximum lengths approaching eight feet?From a landowner's perspective, what factor is more crucial than minor scientific classification distinctions?