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Article Excerpt
The redback coffee snake, Ninia sebae frequents lowlands and premontane slopes from Veracruz and Oaxaca, Mexico, southward through Central America to southern Costa Rica where it is known from 4-1,100 m; it is a secretive, nocturnal leaf litter inhabitant (Savage 2002). There is anecdotal information on its reproductive biology in Gaige (1936); Stuart (1948); Alavrez del Toro (1960); Greene (1975); Campbell (1998); Lee (2000); Solorzano (2004). The purpose of this paper is to add additional information on the reproductive biology of N. sebae from a histological examination of museum specimens from southern Mexico and Central America as part of an ongoing study of the reproductive cycles of neotropical snakes.
A sample of adult specimens of 56 N. sebae was examined (females n = 33, mean snout-vent length [SVL] = 245 mm [+ or -] 28 SD, range = 191-305 mm; males n = 23, SVL = 216 mm [+ or -] 25 SD, range = = 160-263 mm) from the herpetology collection of the Natural History Museum of Los Angeles County (LACM), Los Angeles, California. This sample included specimens from Mexico (1 female, 1 male), Guatemala (26 females, 17 males), Costa Rica (3 females, 2 males) and Honduras (3 females, 3 males). Snakes were collected 1963-1980. Counts were made of enlarged ovarian follicles (> 5 mm length) or oviductal eggs. The left testis and vas deferens were removed from males and the left ovary was removed from...
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