Burrowing ecology of the rare and elusive Louisiana pine snake, Pituophis ruthveni (Serpentes: Colubridae) John G. Himes Museum of Life Sciences, Louisiana State University in Shreveport, One University Place, Shreveport, Louisiana 71115-2399, USA Present address: Department of Biological Sciences, Box 5018, University of Southern Mississippi, Hattiesburg, Mississippi 39406-5018, USA e-mail: John.Himes@usm.edu Abstract. The burrowing ecology of 12 adult and nine juvenile Louisiana pine snakes, Pituophis ruthveni , was studied during 1995-1997 in north-central Louisiana, U.S.A. Signi cantly more adult burrows connected to pocket gopher ( Geomys breviceps ) tunnels than did juvenile burrows, although a relatively high number of adult and juvenile snake burrows were blind-ended. Signi cantly more adult snake burrows were located in pine plantations and grasslands and signi cantly less were located in clearcuts than expected. Signi cantly more juvenile snake burrows were located in pine plantations than expected. Adult and juvenile snake burrows were located in areas that had relatively less leaf litter and canopy closure than expected. Excavation behavior by P. ruthveni was stereotyped and similar to excavation behavior by the bullsnake, Pituophis catenifer sayi and the northern pine snake, Pituophis melanoleucus melanoleucus . Introduction The genus Pituophis (Serpentes: Colubridae) contains three species
Amphibia-Reptilia – Brill
Published: Jan 1, 2001
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