Squamata suborder Serpentes
Dekay's Brownsnake -- Dekay's Brownsnake
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Squamata suborder Serpentes
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Search for another IL amphibian or reptile Search for IL amphibians & reptiles by county Go to the INHS Amphibian & Reptile Collection homepage Search the INHS collections data for amphibians & reptiles Search the INHS Type Specimen Data for amphibians & reptiles |  
Purple shade indicates vouchered specimens. Light blue (cyan)
shade indicates photographic records. Yellow shade indicates verified
sighting. |
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Key Characters: Prominent dark blotch on either side of neck; a dark spot under each eye; one preocular scale; back scales strongly keeled and in 17 rows; anal plate divided. Similar Species: Redbelly snake, ringneck snake. Subspecies: Midland brown snake, S. d. wrightorum. Description: Small (up to 45 cm TL) gray or light brown snake with two rows of small, dark spots on the back. On some individuals back spots are connected by side bars to form a ladderlike pattern. Usually a faint light stripe on midback. Belly light pink. Juveniles have a gray or white collar behind the head. Habitat: Variety of forest and prairie habitats, floodplains and uplands, forest edges, even cultivated fields, and especially in vacant lots in cities. Natural History: Abundant where there is much surface cover and an abundant supply of food. Mates in April and May and gives birth to 5-25 young from late July through early September. Newborn 5-12 cm TL. Eats mainly earthworms and slugs, and is preyed upon by snakes, birds, mammals, and even large toads and spiders. Large numbers are killed on roads separating cultivated fields from forested rocky bluffs each spring and autumn as they move to and from hibernacula. Status: Common throughout most of the state (see distribution map, above). |
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