Testicular histology was similar to that reported by Goldberg & Parker (1975) for the colubrid
snakes Masticophis taeniatus and Pituophis catenifer (= P.
Scale ornamentation has been characterized for other species of the colubrid
tribe Lampropeltini, including Prairie Kingsnakes (L.
is a mystery, but it is possible that nocturnal predation on this species in pitfall traps by large colubrids
or viperids, or perhaps other mammals explains the low numbers of this cricetid mouse.
Prey items of 20 species of the neotropical colubrid
snake genus Liophis.
snakes) when compared to herpetofaunal surveys of other Travis County sites and potential species known to occur in the county.
The black pine snake (Pituophis melanoleucus lodingi) is a colubrid
snake that is historically endemic to longleaf pine forests, ranging from southwestern Alabama to extreme eastern Louisiana.
Texasophis (Squamata:Colubridae), an extinct,archaic colubrid
snake genus, is important in that Texasophis galbreathi from the early Oligocene (Orellan) of eastern Colorado represents one of the first appearances of the huge family Colubridae in North America (Holman l984a).
Interestingly, the oldest colubrid
snake in North America is known from the late Eocene (ca.
Comparative ecology of two colubrid
snakes, Masticophis t.
1) is a commonly known threat display in this species of rear-fanged colubrid
However, a lack of habitat and scarcity in the region are likely reasons why we failed to document some of the colubrid
The Brazos water snake, Nerodia harteri, is a medium-sized colubrid
endemic to the Brazos River system of 11 counties of northcentral Texas (Dorcas & Mendelson 1991; Conant & Collins 1998; Dixon 2000; Werler & Dixon 2000; Ernst & Ernst 2003).
Testicular histology was similar to that reported by Goldberg and Parker (1975) for the colubrid
snakes, Masticophis taeniatus and Pituophis catenifer (= P.
Systematics of the Mexicana species group of the colubrid
genus Lampropeltis, with an hypothesis mimicry.
A new species of the colubrid
snake genus Atractus (Reptilia: Serpentes) from the central Amazon of Brazil.