between the Government of the United States of America and the Government of the Republic of. Korea (ROK) Concerning Wartime Host Nation Support (hereinafter referred to as WHNS. Umbrella Agreement) that was signed by the U.S. Secretary of Defense and the ROK Ministry of. National Defense on 21 November 1991 and became effective 23 December 1992. Applicability.
The Black Rat Snake is a proficient climber. Often it goes rather high up into trees, where it uses cavities or hollows formerly occupied by other animals such as birds or mammals. Black Rat Snakes often hibernate in rock crevices in the company of other snakes, such as copperheads and rattlesnakes.
The Blue Racer is a long, fairly slender snake with back, sides and belly colored plain black. Usually there is some white color on the chin and the throat. The scales are smooth, without keels, and the anal plate is divided. This snake is similar in appearance and habit to its close relative, the Black Racer. Interbreeding with the Black Racer often occurs where their two ranges overlap.