Are there any snakes considered rare, threatened or endangered in Texas?
The following snakes are considered either threatened (T) or endangered (E) in Texas: Northern scarlet snake (Cemophora coccinea copei) T, Texas scarlet snake (Cemophora coccinea lineri) T, Black-striped snake (Coniophanes imperialis) T, Indigo snake (Drymarchon corais) T, Speckled racer (Drymobius margaritiferus) E, Northern cat-eyed snake (Leptodeira septentrionalis septentrionalis) E, Brazos water snake (Nerodia harteri harteri) T, Concho water snake (Nerodia harteri paucimaculata) E, Louisiana pine snake (Pituophis melanoluecus ruthveni) E, Big Bend blackhead snake (Tantilla rubra) T, Texas lyre snake (Trimorphodon bisutatus vilkinsoni) T, and the Timber rattlesnake (Crotalus horridus) T.
