SQUAMATES DO THEY AGGREGATE - Do individuals congregate in large numbers for breeding or hibernation? Species Common Name Do They Aggregate Sauria Lizards Anguidae Anguid Lizards Ophisaurus attenuatus longicaudus Eastern Slender Glass Lizard Y Ophisaurus ventralis Eastern Glass Lizard Unk Lacertidae Wall Lizards Podarcis sicula Italian Wall Lizard Unk Phrynosomatidae Sceloporine Lizards Sceloporus undulatus hyacinthinus Northern Fence Lizard Unk Scincidae Skinks Eumeces a. anthracinus Northern Coal Skink N Eumeces fasciatus Common Five-lined Skink Y, communal nesting (Mitchell 1994) Eumeces inexpectatus Southeastern Five-lined Skink Unk Eumeces laticeps Broad-headed Skink Unk Scincella lateralis Ground Skink Y, communal nesting sites (Mitchell Teiidae Whiptails Cnemidophorus s. sexlineatus Eastern Six-lined Racerunner N Colubridae Colubrids Carphophis a. amoenus Eastern Worm Snake N (Hulse et al. 2001) Cemophora coccinea copei Northern Scarlet Snake Unk Clonophis kirtlandii Kirtland's Snake Y Coluber c. constrictor Northern Black Racer Y, hibernacula (Hulse et al. 2001) Diadophis p. punctatus Southern Ringneck Snake Y (Hulse, pers. obs.) Diadophis p. edwardsii Northern Ringneck Snake Y (Hulse, pers. obs.) Elaphe guttata Corn Snake N (Mitchell 1994) Elaphe o. obsoleta Black Rat Snake Y (Mitchell 1994) Farancia a. abacura Eastern Mud Snake Unk Farancia e. erytrogramma Common Rainbow Snake Unk Heterodon platirhinos Eastern Hog-nosed Snake N Lampropeltis calligaster Mole Kingsnake Unk rhombomaculata Lampropeltis g. getula Eastern Kingsnake Y Lampropeltis g. nigra Eastern Black Kingsnake Y Lampropeltis t. triangulum Eastern Milk Snake Y Nerodia e. erythrogaster Red-bellied Water Snake Unk Nerodia s. sipedon Northern Water Snake Y Nerodia taxispilota Brown Water Snake Unk Opheodrys aestivus Northern Rough Green Snake Unk Opheodrys vernalis Smooth Green Snake Y (in winter, sometimes in ant mounds) (Linzey and Clifford 1981) Pituophis m. melanoleucus Northern Pine Snake Y (Burger et al. 1988) Regina r. rigida Glossy Crayfish Snake Unk Regina septemvittata Queen Snake Y Storeria d. dekayi Northern Brown Snake Y (Clausen 1936; Noble and Clausen 1936) Storeria o. occipitomaculata Northern Red-bellied Snake Y Tantilla coronata Southeastern Crowned Snake Unk Thamnophis brachystoma Short-headed Garter Snake Y (Hulse et al. 2001) Thamnophis s. sauritus Common Ribbon Snake Y Thamnophis sauritis septentrionalis Northern Ribbon Snake Y Thamnophis sirtalis pallidulus Maritime Garter Snake Y Thamnophis s. sirtalis Eastern Garter Snake Y Virginia striatula Rough Earth Snake Y (Clark 1964) Virginia v. valeriae Eastern Smooth Earth Snake Y Virginia v. pulchra Mountain Earth Snake Y Typhlopidae Blindsnakes Ramphotyphlops braminus Brahminy Blind Snake Unk Viperidae Pitvipers Agkistrodon c. contortrix Southern Copperhead Y Agkistrodon c. mokasen Northern Copperhead Y Agkistrodon p. piscivorus Eastern Cottonmouth F when gravid or attending young (Russ 1973) Crotalus horridus Timber Rattlesnake Y (Martin 1988) Sistrurus c. catenatus Eastern Massasauga N Aggregate Codes: Y = yes, N = no, Unk = unknown.