Black Rat Snake The Maryland Zoo

Black rat snakes are known to some as “pilot snakes” for the mistaken belief that they lead other snakes to suitable winter denning areas.

Live Black Rat Snake May Be Evidence in So-Called Snake Infested Maryland Home - Reptiles Magazine

Black Rat Snake, Media Library

Black Ratsnake (Elaphe obsoleta) - Wiki

Kansas Herpetofaunal Atlas

Snakes in the trees at D.C. park - WTOP News

Black Rat Snake Photograph by Art Cole - Pixels

Pantherophis alleghaniensis - Wikipedia

The Black Rat Snake: Man's Best Friend

kingsnake blog Blog - That Other Black Rat Snake, the Russian Rat Snake

Rat Snakes Animal Facts

Maryland Biodiversity Project - Eastern Ratsnake (Pantherophis alleghaniensis)