From three locations along a 34-km shoreline of Pelee Island, Ontario, 30 gravid female Lake Erie water snakes (Nerodia sipedon insularum) were sampled to determine the organochlorine (OC) contaminant levels in plasma and the number of live and dead embryos present in the body cavity. Nerodia sipedon insularum Family: Colubridae. Twitter. The Lake Erie Watersnake, Nerodia sipedon insularum, is one of two subspecies of the Northern Watersnake, Nerodia sipedon (family Colubridae), found in Canada. Lake Erie Watersnakes range in colour from being regularly patterned with dark dorsal and lateral blotches to a uniform gray (often a drab greenish or brownish) without pattern. Nerodia sipedon insularum. The Lake Erie Watersnake is a subspecies of the Common Watersnake (Nerodia sipedon.
COSEWIC status: Special Concern; SARA status: Endangered; IUCN status: Not Assessed; Description. King Department of Biological Sciences, Purdue University, West Lafayette, IN, 47907 2016. Animalia: information (1) Animalia: pictures (20673) Animalia: specimens (7109) Animalia: sounds (722) Animalia: maps (42) Eumetazoa metazoans. Naming Common names for ''Nerodia sipedon'' include banded water snake, black water adder, black water snake, brown water snake, common water snake, common northern water snake, eastern water snake, North American water snake, northern banded water snake, northern water snake, spotted water snake, streaked snake, water pilot and water snake.The following four subspecies are recognized as … Français : Carte de répartition des sous-espèces de la Couleuvre d'eau (Nerodia sipedon). Facebook. Kingdom Animalia animals. Description. The Lake Erie Watersnake varies in colour, but many individuals are brown or dark brown with faint alternating dark (sometimes reddish) horizontal …
The Lake Erie water snake, Nerodia sipedon insularum, and the northern water snake, N. s. sipedon, are separate subspecies.Northern water snakes are common and widely distributed in eastern North America, including the Ohio and Ontario mainland, whereas Lake Erie water snakes (N. s. insularum) have declined and occur primarily on the offshore islands of western Lake Erie. Eumetazoa: pictures (20647) Eumetazoa: specimens (7100) Eumetazoa: sounds (722) Eumetazoa: maps (42) Bilateria bilaterally symmetrical animals. color pattern polymorphism in the lake erie water snake, nerodia sipedon insularum Richard B. Nerodia Baird and Girard, 1853 – Water Snakes, North American Water Snakes : Species: Nerodia sipedon (Linnaeus, 1758) – Northern Water Snake, couleuvre d'eau : Subspecies: Nerodia sipedon insularum (Conant and Clay, 1937) – Lake Erie Water Snake
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